{"sources":[{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide","type":"guide","url":"https://4f71f1-4.myshopify.com/products/dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml","retrieval_at":"2026-10-11T18:18:40.241Z","source_hash":"179a4bc9b667f8e5d510d5081c1272482f8211d30d7183647f872a4ef75cf5fc","access_verdict":"permitted","robots_result":"not_checked"},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual","type":"manual","url":"https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf","retrieval_at":"2026-10-11T18:19:03.285Z","source_hash":"ad1fd66939516d34690cbfac25c38be00857dedbc4ff170c14c414a2772e05d0","access_verdict":"permitted","robots_result":"allow"},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:5:blog","type":"blog","url":"https://www.babylist.com/hello-baby/best-glass-baby-bottles","retrieval_at":"2026-10-11T18:19:45.104Z","source_hash":"94e9f3c1c40f29e4738e8b3f3e86eadb81ff8fb1893ef2a37c5343e9f6ac26f0","access_verdict":"permitted","robots_result":"allow"},{"id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:6:blog","type":"blog","url":"https://www.redditmamas.com/blog/glass-vs-plastic-baby-bottles","retrieval_at":"2026-10-11T18:19:47.376Z","source_hash":"b2c90cab80b1c34d038ae5040b623aa4dba9db47171292e60347f7c062a89e86","access_verdict":"permitted","robots_result":"allow"}],"summaries":[{"id":"01M4P3Y9C1NJYEPAAHD2ARRG1D","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:5:blog","kind":"blog","text":"The guide names Dr. Brown's Anti-colic Options+ Narrow Glass Baby Bottles as its top pick for most families.","locators":{"page":"https://www.babylist.com/hello-baby/best-glass-baby-bottles","post_date":"2026-06-11","publication":"Babylist","post_date_kind":"published"}},{"id":"01M4P3Y9QM6QN2T32EK33Z8Q7P","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:6:blog","kind":"blog","text":"Dr. Brown's Glass is described as the go-to choice for babies with gas or colic issues because of its internal vent system.","locators":{"page":"https://www.redditmamas.com/blog/glass-vs-plastic-baby-bottles","post_date":"2026-08-25","publication":"RedditMamas","post_date_kind":"published"}},{"id":"01M4P3YA30SS4E1K8THHCDC8QT","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:6:blog","kind":"blog","text":"Parents consistently say the glass version cleans better and lasts longer than the plastic Dr. Brown's version.","locators":{"page":"https://www.redditmamas.com/blog/glass-vs-plastic-baby-bottles","post_date":"2026-08-25","publication":"RedditMamas","post_date_kind":"published"}},{"id":"01M4P3YAERJ1CS8NHEF68YXWM3","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:6:blog","kind":"blog","text":"The main complaints are that the anti-colic vent creates extra parts to wash.","locators":{"page":"https://www.redditmamas.com/blog/glass-vs-plastic-baby-bottles","post_date":"2026-08-25","publication":"RedditMamas","post_date_kind":"published"}},{"id":"01M4P3YATDZGTNHT158KKNW3GS","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:6:blog","kind":"blog","text":"Parents report they can shatter if dropped on tile, though hardwood drops seem fine.","locators":{"page":"https://www.redditmamas.com/blog/glass-vs-plastic-baby-bottles","post_date":"2026-08-25","publication":"RedditMamas","post_date_kind":"published"}},{"id":"01M4P3YB6A5TD17CTBQHZQXJ6P","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:6:blog","kind":"blog","text":"One parent reported using Dr. Brown's glass narrow bottles for over 8 months of continued use and dishwasher runs, and they still look brand new.","locators":{"page":"https://www.redditmamas.com/blog/glass-vs-plastic-baby-bottles","post_date":"2026-08-25","publication":"RedditMamas","post_date_kind":"published"}},{"id":"01M4P3YBHX1BVR23933EABC6CH","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:6:blog","kind":"blog","text":"Parents note the bottles are heavy and require care against falling or chipping.","locators":{"page":"https://www.redditmamas.com/blog/glass-vs-plastic-baby-bottles","post_date":"2026-08-25","publication":"RedditMamas","post_date_kind":"published"}},{"id":"01M4P3YBXH658M6MM82SNVS87Q","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:6:blog","kind":"blog","text":"A parent uses Dr. Brown's glass bottles with a silicone sleeve and prefers the feel of glass.","locators":{"page":"https://www.redditmamas.com/blog/glass-vs-plastic-baby-bottles","post_date":"2026-08-25","publication":"RedditMamas","post_date_kind":"published"}},{"id":"01M4P3YC974C1E1888RHG4PFVJ","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:6:blog","kind":"blog","text":"Parents say the glass bottles get properly clean and do not fade or smell from constant washing.","locators":{"page":"https://www.redditmamas.com/blog/glass-vs-plastic-baby-bottles","post_date":"2026-08-25","publication":"RedditMamas","post_date_kind":"published"}}],"facts":[{"id":"01M4P3YCNNVVCYQMXST9G26DWR","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide","field":"identity","ordinal":0,"value_number":null,"unit":null,"value_text":"The product is Dr. Brown's Natural Flow Anti-Colic Options+ Narrow Baby Bottle with Level 1 Slow Flow Nipple, 8 oz/250 mL.","original_value":"Dr. Brown's Natural Flow® Anti-Colic Options+™ Narrow Baby Bottle with Level 1 Slow Flow Nipple, 8 oz/250 mL","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide:artefact:179a4bc9b667f8e5d510d5081c1272482f8211d30d7183647f872a4ef75cf5fc","start":247,"end":355,"summary_id":null,"excerpt_id":null,"span_sha256":"5c6eb51df4666ee530a092a3cf837902bd1a2f76e7e23ec15813ac68b37a8fbd","source_locator":"characters 247 to 355 of the retained text"}},{"id":"01M4P3YD1HBA9E6GP9CHWHPXDZ","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual","field":"components","ordinal":0,"value_number":null,"unit":null,"value_text":"Bottle components include cover/cap, nipple/teat collar, nipple/teat, travel disk, insert, reservoir tube, and vent assembly.","original_value":"1 Cover/Cap\n                                                                 2 Nipple/Teat Collar\n                                                                 3 Nipple/Teat\n                                                                 4 Travel Disk\n                                                                 5 Insert\n                                                                 6 Reservoir Tube\n                                                                 7 Vent Assembly","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual:artefact:ad1fd66939516d34690cbfac25c38be00857dedbc4ff170c14c414a2772e05d0","start":179,"end":671,"summary_id":null,"excerpt_id":null,"span_sha256":"c71a412858983c5fd22f65e211af840b2acf09d29a581c5088e8d3c147bb5d00","source_locator":"characters 179 to 671 of the retained text"}},{"id":"01M4P3YDGSSX7RKR0HE72X4GKR","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:5:blog","field":"overall pick","ordinal":0,"value_number":null,"unit":null,"value_text":"The guide names Dr. Brown's Anti-colic Options+ Narrow Glass Baby Bottles as its top pick for most families.","original_value":"The guide names Dr. Brown's Anti-colic Options+ Narrow Glass Baby Bottles as its top pick for most families.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M4P3Y9C1NJYEPAAHD2ARRG1D","excerpt_id":null,"span_sha256":"e5551853e083f2c7dc9fad143c0223fcf286a16c7339016d974a7c6dd9c58d2b","source_locator":null}},{"id":"01M4P3YDWEJZTS0970DC0KADJ3","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:6:blog","field":"colic","ordinal":0,"value_number":null,"unit":null,"value_text":"Dr. Brown's Glass is described as the go-to choice for babies with gas or colic issues because of its internal vent system.","original_value":"Dr. Brown's Glass is described as the go-to choice for babies with gas or colic issues because of its internal vent system.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M4P3Y9QM6QN2T32EK33Z8Q7P","excerpt_id":null,"span_sha256":"7a444defa77f3b0d2fc724d90e3e6e860db61d933bf8a7c3581ac222ffb6a9e8","source_locator":null}},{"id":"01M4P3YE7W5Y8DCKFPX0NNQ2RK","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide","field":"SKU","ordinal":1,"value_number":null,"unit":null,"value_text":"The store lists SKU SB81003 for this bottle.","original_value":"SKU: SB81003","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide:artefact:179a4bc9b667f8e5d510d5081c1272482f8211d30d7183647f872a4ef75cf5fc","start":368,"end":380,"summary_id":null,"excerpt_id":null,"span_sha256":"5f18f8d47b2c3b6fd155bc2f1e0c8e57016e77c1ad98477bc56cea1809a4ef18","source_locator":"characters 368 to 380 of the retained text"}},{"id":"01M4P3YEMDHZPSXAHB9NWB46KT","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual","field":"first use","ordinal":1,"value_number":null,"unit":null,"value_text":"Before first use, fully disassemble all parts, wash the product, then place components in boiling water for five minutes.","original_value":"Before first use, fully disassemble all parts, wash the product, then place the components in boiling water for five\nminutes.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual:artefact:ad1fd66939516d34690cbfac25c38be00857dedbc4ff170c14c414a2772e05d0","start":1128,"end":1253,"summary_id":null,"excerpt_id":null,"span_sha256":"52dc23cbb3b3a751cec109756359994ad4fd391614b615cbc7145b863d9fb446","source_locator":"characters 1128 to 1253 of the retained text"}},{"id":"01M4P3YF1PFQSM791CD0WQ7AAV","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:6:blog","field":"cleaning and life","ordinal":1,"value_number":null,"unit":null,"value_text":"Parents consistently say the glass version cleans better and lasts longer than the plastic Dr. Brown's version.","original_value":"Parents consistently say the glass version cleans better and lasts longer than the plastic Dr. Brown's version.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M4P3YA30SS4E1K8THHCDC8QT","excerpt_id":null,"span_sha256":"5c6001ee23e10ea7a8ad2bf248d2ecdcc8b12b8a8481aab87fa036e4419efe8a","source_locator":null}},{"id":"01M4P3YFG1EDKJGX7TSHADAQXZ","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide","field":"brand claim","ordinal":2,"value_number":null,"unit":null,"value_text":"The bottle is described as the #1 Pediatrician Recommended Baby Bottle in the U.S.*","original_value":"Dr. Brown's Anti-colic Options+ bottle is the #1 Pediatrician Recommended Baby Bottle in the U.S.*","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide:artefact:179a4bc9b667f8e5d510d5081c1272482f8211d30d7183647f872a4ef75cf5fc","start":515,"end":613,"summary_id":null,"excerpt_id":null,"span_sha256":"21654701211a63c98e9d9debb8cd7285471284c238f39dd195e942700bc7c567","source_locator":"characters 515 to 613 of the retained text"}},{"id":"01M4P3YFVTFS84Z97AMC2EFSPF","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual","field":"nipple inspection","ordinal":2,"value_number":null,"unit":null,"value_text":"Pull on the nipple in all directions before each use to ensure it does not tear, and discontinue use if wear or damage is visible.","original_value":"To prevent a possible choking hazard, pull on the nipple/teat in all directions before\neach use to ensure it does not tear. Inspect carefully, especially when the child develops teeth. Discontinue use and\nreplace the nipple/teat immediately if any signs of wear or damage are visible, such as cracking or change of shape.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual:artefact:ad1fd66939516d34690cbfac25c38be00857dedbc4ff170c14c414a2772e05d0","start":1281,"end":1602,"summary_id":null,"excerpt_id":null,"span_sha256":"d7cf6b7ee08e8dac9eabd2018864f7b0550f0d600f06551645d849adf9762637","source_locator":"characters 1281 to 1602 of the retained text"}},{"id":"01M4P3YG7AMB67VR69VQ8C4Y1E","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:6:blog","field":"extra parts","ordinal":2,"value_number":null,"unit":null,"value_text":"The main complaints are that the anti-colic vent creates extra parts to wash.","original_value":"The main complaints are that the anti-colic vent creates extra parts to wash.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M4P3YAERJ1CS8NHEF68YXWM3","excerpt_id":null,"span_sha256":"bc66dd8df94e70aa8538ce9ced8d02be024290a171e75893c0d473bfcfa66303","source_locator":null}},{"id":"01M4P3YGK3G20RC4Z55GQTYDZ9","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide","field":"anti-colic","ordinal":3,"value_number":null,"unit":null,"value_text":"The internal vent system is clinically proven to reduce colic and helps reduce spit-up, burping, and gas.","original_value":"The anti-colic internal vent system is clinically proven to reduce colic and helps reduce spit-up, burping, and gas","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide:artefact:179a4bc9b667f8e5d510d5081c1272482f8211d30d7183647f872a4ef75cf5fc","start":614,"end":729,"summary_id":null,"excerpt_id":null,"span_sha256":"d2f1a7afa467042eefa7f7e59c74390619c2b1d9e2a28524f468ceccfe4c15d3","source_locator":"characters 614 to 729 of the retained text"}},{"id":"01M4P3YGZ26GPT9B6CJKHGF5M1","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual","field":"cleaning caution","ordinal":3,"value_number":null,"unit":null,"value_text":"Do not use the wire cleaning brush to clean the nipple/teat because it will cause it to tear.","original_value":"CAUTION: Do not use the wire cleaning brush to clean the nipple/teat as this will cause it to tear.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual:artefact:ad1fd66939516d34690cbfac25c38be00857dedbc4ff170c14c414a2772e05d0","start":1680,"end":1779,"summary_id":null,"excerpt_id":null,"span_sha256":"c5675cb7e9827ab061e5344ceb817b730ac915a1e98f4fb627db953625b96748","source_locator":"characters 1680 to 1779 of the retained text"}},{"id":"01M4P3YHB055ZMDCDP9C5K3E6Z","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:6:blog","field":"breakage","ordinal":3,"value_number":null,"unit":null,"value_text":"Parents report they can shatter if dropped on tile, though hardwood drops seem fine.","original_value":"Parents report they can shatter if dropped on tile, though hardwood drops seem fine.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M4P3YATDZGTNHT158KKNW3GS","excerpt_id":null,"span_sha256":"5de8dd9fddc6ca8a97c21f6b34b5d9c8fa154792790e8d5768e02a30638aec2f","source_locator":null}},{"id":"01M4P3YHQ0VAFA7HSCBAA2930C","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide","field":"nipple","ordinal":4,"value_number":null,"unit":null,"value_text":"The breast-like nipple shape encourages a proper latch and provides a consistent flow so babies feed at their own pace.","original_value":"Breast-like nipple shape encourages a proper latch and provides a consistent flow so babies feed at their own pace","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide:artefact:179a4bc9b667f8e5d510d5081c1272482f8211d30d7183647f872a4ef75cf5fc","start":847,"end":961,"summary_id":null,"excerpt_id":null,"span_sha256":"a7534a4b2e74b858da07777e3a7583d9c7af089e6cd6c2d05eef48e0ad7f7a95","source_locator":"characters 847 to 961 of the retained text"}},{"id":"01M4P3YJ2DY4DQ2MY78XN3DYGD","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual","field":"cleaning","ordinal":4,"value_number":null,"unit":null,"value_text":"All parts should be fully disassembled and washed prior to each use and are safe for dishwasher top rack, electric sterilizer, microwave sterilizer, or boiling water.","original_value":"Fully disassemble all parts and wash prior to each use.\nAll parts are safe for use in dishwasher (top rack only), electric sterilizer, microwave sterilizer, or boiling water.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual:artefact:ad1fd66939516d34690cbfac25c38be00857dedbc4ff170c14c414a2772e05d0","start":1847,"end":2021,"summary_id":null,"excerpt_id":null,"span_sha256":"a9eb6a1640642689990ede9b40046e0a1d41d1ecb7f530e45237b5a1a50ecaea","source_locator":"characters 1847 to 2021 of the retained text"}},{"id":"01M4P3YJETM4AQS8XGEG8MERDC","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:6:blog","field":"durability","ordinal":4,"value_number":null,"unit":null,"value_text":"One parent reported using Dr. Brown's glass narrow bottles for over 8 months of continued use and dishwasher runs, and they still look brand new.","original_value":"One parent reported using Dr. Brown's glass narrow bottles for over 8 months of continued use and dishwasher runs, and they still look brand new.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M4P3YB6A5TD17CTBQHZQXJ6P","excerpt_id":null,"span_sha256":"21899863e6813b4acba761c3461d6deff5bdd2e05d47bce7034fe7254c686797","source_locator":null}},{"id":"01M4P3YJX0PDFMT5G7Q01V687B","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide","field":"use setting","ordinal":5,"value_number":null,"unit":null,"value_text":"The bottle is used in hospitals and NICUs.","original_value":"Used in hospitals and NICUs","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide:artefact:179a4bc9b667f8e5d510d5081c1272482f8211d30d7183647f872a4ef75cf5fc","start":962,"end":989,"summary_id":null,"excerpt_id":null,"span_sha256":"5520e6f031cfa3e73ed4956b4dee4dff7a5a67f00d9c660f0207f4db7064017c","source_locator":"characters 962 to 989 of the retained text"}},{"id":"01M4P3YK8CEEC0KQZ2YYPTY9YV","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual","field":"assembly","ordinal":5,"value_number":null,"unit":null,"value_text":"To assemble the internal vent system, connect the reservoir tube to the insert tightly, place the vent into the bottle, snap the nipple into the collar, affix the collar to the bottle and turn until closed without over-tightening.","original_value":"To assemble the internal vent system, connect the reservoir tube to the insert so that they fit tightly together. Place the\nassembled vent system into the bottle. Snap the nipple/teat into the collar, affix collar to bottle and turn until closed (do\nnot over-tighten).","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual:artefact:ad1fd66939516d34690cbfac25c38be00857dedbc4ff170c14c414a2772e05d0","start":2107,"end":2375,"summary_id":null,"excerpt_id":null,"span_sha256":"463d9914aef27a0bc8edde5097b3f63ab9c7504fdcc23d6c28d87c4e7cad50fc","source_locator":"characters 2107 to 2375 of the retained text"}},{"id":"01M4P3YKKX6F6DWEY4HS595EZ9","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:6:blog","field":"weight and care","ordinal":5,"value_number":null,"unit":null,"value_text":"Parents note the bottles are heavy and require care against falling or chipping.","original_value":"Parents note the bottles are heavy and require care against falling or chipping.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M4P3YBHX1BVR23933EABC6CH","excerpt_id":null,"span_sha256":"1224c4886f3ed6d1fa07424844eb5514d7432ebbefed73d4721cb149b44d5026","source_locator":null}},{"id":"01M4P3YKZFTPNRM70X4V47XP27","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide","field":"feeding style","ordinal":6,"value_number":null,"unit":null,"value_text":"It is described as vacuum-free feeding closest to breastfeeding, with silicone nipples providing a consistent flow.","original_value":"This vacuum-free feeding is closest to breastfeeding and Dr. Brown’s® silicone nipples provide a consistent flow so baby can feed at their own pace.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide:artefact:179a4bc9b667f8e5d510d5081c1272482f8211d30d7183647f872a4ef75cf5fc","start":1770,"end":1918,"summary_id":null,"excerpt_id":null,"span_sha256":"4e6dde59e8558b90936ff8ab8ca950276d8f29bd094c39ac563462fd809d1d79","source_locator":"characters 1770 to 1918 of the retained text"}},{"id":"01M4P3YMBD15DFW2PCE4KXCQQC","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual","field":"warming","ordinal":6,"value_number":null,"unit":null,"value_text":"When warming the bottle, always remove all bottle components before warming and use the storage/travel cap; always test milk temperature before feeding.","original_value":"If warming the bottle – always remove all bottle components before warming and use the\nstorage/travel cap. Always test the temperature of milk before feeding baby.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual:artefact:ad1fd66939516d34690cbfac25c38be00857dedbc4ff170c14c414a2772e05d0","start":2376,"end":2539,"summary_id":null,"excerpt_id":null,"span_sha256":"70203282eed56848f369ab3028cb6926a030381ebe9910b10b9b04c4eae8f5eb","source_locator":"characters 2376 to 2539 of the retained text"}},{"id":"01M4P3YMPSG2T55BGR1JEKE7J8","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:6:blog","field":"sleeve","ordinal":6,"value_number":null,"unit":null,"value_text":"A parent uses Dr. Brown's glass bottles with a silicone sleeve and prefers the feel of glass.","original_value":"A parent uses Dr. Brown's glass bottles with a silicone sleeve and prefers the feel of glass.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M4P3YBXH658M6MM82SNVS87Q","excerpt_id":null,"span_sha256":"c1c2e666ee54796c5231ce8c002c2e8e2019a4e419384074f7aec2a6390c9e64","source_locator":null}},{"id":"01M4P3YN26SQ2CN4PNRWMWCK5R","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide","field":"vent benefit","ordinal":7,"value_number":null,"unit":null,"value_text":"The internal vent system is proven to help preserve bottle milk nutrients and aids in digestion for a better night's sleep.","original_value":"Dr. Brown’s internal vent system is proven to help preserve bottle milk nutrients and aids in digestion for a better night’s sleep.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide:artefact:179a4bc9b667f8e5d510d5081c1272482f8211d30d7183647f872a4ef75cf5fc","start":2082,"end":2213,"summary_id":null,"excerpt_id":null,"span_sha256":"50d9573412faf2e5be22a04d5d6136276fe71c9042dba4fae0bd6a21ec3f9d98","source_locator":"characters 2082 to 2213 of the retained text"}},{"id":"01M4P3YNEBFFWEB2YZKAXP4XEK","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual","field":"shaking","ordinal":7,"value_number":null,"unit":null,"value_text":"Do not shake the bottle because shaking will cause air bubbles; formula should be stirred gently to dissolve lumps.","original_value":"Do not shake the bottle. Shaking will cause air bubbles. Formula should be stirred gently to fully dissolve lumps as lumps can\nclog nipple/teat holes.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual:artefact:ad1fd66939516d34690cbfac25c38be00857dedbc4ff170c14c414a2772e05d0","start":2540,"end":2690,"summary_id":null,"excerpt_id":null,"span_sha256":"a9ad81fa25c6655b92d6d744dac18d032debe1f948f28009337a7117e2c67d66","source_locator":"characters 2540 to 2690 of the retained text"}},{"id":"01M4P3YNSZTRKF7BM8YT6R3AF7","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:6:blog","field":"smell and fade","ordinal":7,"value_number":null,"unit":null,"value_text":"Parents say the glass bottles get properly clean and do not fade or smell from constant washing.","original_value":"Parents say the glass bottles get properly clean and do not fade or smell from constant washing.","confidence":0.7,"citation":{"lineage_tier":"T2","artefact_id":null,"start":null,"end":null,"summary_id":"01M4P3YC974C1E1888RHG4PFVJ","excerpt_id":null,"span_sha256":"bb3d9a1404b17d579e6beb60433cc63a5d710df5f1f21e791b635bc34ed68f1e","source_locator":null}},{"id":"01M4P3YP5GSEN2K3JWTGKBRVNZ","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide","field":"vent optional","ordinal":8,"value_number":null,"unit":null,"value_text":"The bottle works best with the internal vent system in place but it can be removed as baby's feeding develops, without introducing a different bottle.","original_value":"Dr. Brown’s Natural Flow® Anti-Colic Options+™ baby bottle works best with the internal vent system in place but can be removed as baby’s feeding develops – no need to introduce a different bottle.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide:artefact:179a4bc9b667f8e5d510d5081c1272482f8211d30d7183647f872a4ef75cf5fc","start":2524,"end":2721,"summary_id":null,"excerpt_id":null,"span_sha256":"be7603b1e7004de176f450341f71b743f2d350c1e2a2092cd90e8e0e10ddd44f","source_locator":"characters 2524 to 2721 of the retained text"}},{"id":"01M4P3YPGYJJV37XZYTENZPVEY","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual","field":"fill line","ordinal":8,"value_number":null,"unit":null,"value_text":"To prevent potential leaks, do not fill the bottle above the fill line warning.","original_value":"To prevent potential leaks, do not fill the bottle above the FILL LINE WARNING.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual:artefact:ad1fd66939516d34690cbfac25c38be00857dedbc4ff170c14c414a2772e05d0","start":2719,"end":2798,"summary_id":null,"excerpt_id":null,"span_sha256":"814ac9fbb2b7d94706c929c33feea962bbfee1713b2002828f54b09a62929875","source_locator":"characters 2719 to 2798 of the retained text"}},{"id":"01M4P3YPWF90BNB5878STREFK9","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide","field":"glass durability","ordinal":9,"value_number":null,"unit":null,"value_text":"The glass bottles are heat and thermal shock-resistant, able to withstand hot and cold temperatures and gradual temperature changes.","original_value":"Dr. Brown’s® Glass bottles are heat and thermal shock-resistant, which can withstand hot and cold temperatures, along with gradual temperature changes.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide:artefact:179a4bc9b667f8e5d510d5081c1272482f8211d30d7183647f872a4ef75cf5fc","start":2722,"end":2873,"summary_id":null,"excerpt_id":null,"span_sha256":"201c7af599171a74668c566ef738ec144bb514a7a7df9370a40ad460e56a36be","source_locator":"characters 2722 to 2873 of the retained text"}},{"id":"01M4P3YQ7X9V2W35R4RR3EMXJT","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual","field":"compatibility","ordinal":9,"value_number":null,"unit":null,"value_text":"Only use Dr. Brown's nipples/teats with this bottle; other brands may leak or flow too fast or too slow.","original_value":"For proper bottle and venting function, only use Dr. Brown’s® nipples/teats with this bottle; other brands may leak or flow too\nfast or too slow.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual:artefact:ad1fd66939516d34690cbfac25c38be00857dedbc4ff170c14c414a2772e05d0","start":3080,"end":3225,"summary_id":null,"excerpt_id":null,"span_sha256":"8383656271703ca176997aae4ef74c174a27f1850c9dd6a5afe078be4b2f7f87","source_locator":"characters 3080 to 3225 of the retained text"}},{"id":"01M4P3YQNWPNYXACF7H8WTYXF9","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide","field":"cleaning","ordinal":10,"value_number":null,"unit":null,"value_text":"The bottle is safe for dishwasher top rack only, electric and microwave sterilizers, or boiling water.","original_value":"Safe for use in dishwasher (top rack only), electric and microwave sterilizers or boiling water","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide:artefact:179a4bc9b667f8e5d510d5081c1272482f8211d30d7183647f872a4ef75cf5fc","start":2874,"end":2969,"summary_id":null,"excerpt_id":null,"span_sha256":"139e5f863c93078441155bbe8c8e1646ed7d10e581f2f0d8fd5b358f42ce24aa","source_locator":"characters 2874 to 2969 of the retained text"}},{"id":"01M4P3YR1GH5QCV9JVT44B2942","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual","field":"feeding position","ordinal":10,"value_number":null,"unit":null,"value_text":"Hold the bottle so the reservoir tube hole in the bottom is not covered by liquid, about a 45° angle, and keep baby propped up during feeding.","original_value":"When feeding your baby, hold the bottle so that the reservoir tube hole in the bottom of the bottle is not\ncovered by liquid (approximately at a 45° angle). Keep your baby propped up during feeding.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual:artefact:ad1fd66939516d34690cbfac25c38be00857dedbc4ff170c14c414a2772e05d0","start":3226,"end":3424,"summary_id":null,"excerpt_id":null,"span_sha256":"03a1bb9f3f056d25aecb647a0eac416570816b65a6e2f008ceb59058872ff4bc","source_locator":"characters 3226 to 3424 of the retained text"}},{"id":"01M4P3YRCYWPF12B5XCFYP8AQ4","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide","field":"BPA","ordinal":11,"value_number":null,"unit":null,"value_text":"The bottle is BPA free.","original_value":"BPA free","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide:artefact:179a4bc9b667f8e5d510d5081c1272482f8211d30d7183647f872a4ef75cf5fc","start":2970,"end":2978,"summary_id":null,"excerpt_id":null,"span_sha256":"81ba810b02b06fdd48ac321d1ac67efd4cc822345e9746ffc4b5b9cb2801b998","source_locator":"characters 2970 to 2978 of the retained text"}},{"id":"01M4P3YRRRF6Z55XT3MH3RBHZN","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual","field":"nipple replacement","ordinal":11,"value_number":null,"unit":null,"value_text":"Change nipples/teats after six weeks of use.","original_value":"Change nipples/teats after six weeks of use.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual:artefact:ad1fd66939516d34690cbfac25c38be00857dedbc4ff170c14c414a2772e05d0","start":3482,"end":3526,"summary_id":null,"excerpt_id":null,"span_sha256":"8315e97852555d7fbd43d57f727c9cb655598e83a1391e2a781d8492c16fa37f","source_locator":"characters 3482 to 3526 of the retained text"}},{"id":"01M4P3YS46MCE5R2K019Q8EV27","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide","field":"growth","ordinal":12,"value_number":null,"unit":null,"value_text":"The bottle is made to grow with baby and is designed to nourish through all feeding stages and is recyclable.","original_value":"Made to grow with baby, our bottle is designed to nourish through all of baby’s feeding stages and is recyclable.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide:artefact:179a4bc9b667f8e5d510d5081c1272482f8211d30d7183647f872a4ef75cf5fc","start":2410,"end":2523,"summary_id":null,"excerpt_id":null,"span_sha256":"1fef9741635dbec178c6f2db1c16f52be51433b41f2cf3e723a603804eea6fe0","source_locator":"characters 2410 to 2523 of the retained text"}},{"id":"01M4P3YSFS5JJ4DCWDN73NF9YJ","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual","field":"transport","ordinal":12,"value_number":null,"unit":null,"value_text":"When transporting, keep bottles upright and use the storage/travel cap or disk to prevent leaking; during air travel, remove internal parts and secure with travel cap or disk.","original_value":"When transporting bottles, always keep them upright and use storage/travel cap or disk to help prevent leaking. During air\ntravel, remove internal parts and secure with travel cap or disk to prevent leaking from air pressure.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual:artefact:ad1fd66939516d34690cbfac25c38be00857dedbc4ff170c14c414a2772e05d0","start":3527,"end":3752,"summary_id":null,"excerpt_id":null,"span_sha256":"a929628583e283f67870990645fbdc20f54ab807f74f140493606fc3a71aa88e","source_locator":"characters 3527 to 3752 of the retained text"}},{"id":"01M4P3YSVNBYB1GW0CAWNY5NH9","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide","field":"awards","ordinal":13,"value_number":null,"unit":null,"value_text":"The brand received the 2025 What to Expect Feeding Awards Best Bottle Brand award.","original_value":"2025 WHAT TO EXPECT FEEDING AWARDS - Best Bottle Brand","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide:artefact:179a4bc9b667f8e5d510d5081c1272482f8211d30d7183647f872a4ef75cf5fc","start":3098,"end":3152,"summary_id":null,"excerpt_id":null,"span_sha256":"e0cb7dd270b707afd49970dc304f9d595b772d5ae16ac7c6fe1b2ff6ab15aa08","source_locator":"characters 3098 to 3152 of the retained text"}},{"id":"01M4P3YT7B0PCAVYE2Y9E56V8E","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual","field":"warnings","ordinal":13,"value_number":null,"unit":null,"value_text":"Warnings include: continuous and prolonged sucking causes tooth decay; always check food temperature; throw away at first signs of damage; keep unused components out of reach of children; never attach to cords, ribbons, laces or loose clothing; never use nipples as a pacifier; always use with adult supervision; glass containers may break.","original_value":"Continuous and prolonged sucking of fluids will cause tooth decay.\n• Always check food temperature before feeding.\n• Throw away at the first signs of damage or weakness.\n• Keep components not in use out of the reach of children.\n• Never attach to cords, ribbons, laces or loose parts of clothing. The child can be strangled.\n• Never use feeding nipples/teats as a pacifier/soother.\n• Always use this product with adult supervision.\n• Glass containers may break.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual:artefact:ad1fd66939516d34690cbfac25c38be00857dedbc4ff170c14c414a2772e05d0","start":3800,"end":4261,"summary_id":null,"excerpt_id":null,"span_sha256":"d3976be4f965d2c219fc2f1e07ac2150990fb8c36325e161adf05a229ed44ae1","source_locator":"characters 3800 to 4261 of the retained text"}},{"id":"01M4P3YTK0NDFGF5BJE6Y20SYV","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide","field":"weight","ordinal":14,"value_number":null,"unit":null,"value_text":"Structured data lists the variant weight as 340 (no unit shown).","original_value":"\"weight\":340","confidence":0.9,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:1:guide:artefact:179a4bc9b667f8e5d510d5081c1272482f8211d30d7183647f872a4ef75cf5fc","start":1399,"end":1411,"summary_id":null,"excerpt_id":null,"span_sha256":"4eb1a09bac6f0905f98a09ac9177d3de63b7ccc46701a41b6cdd359a024a328a","source_locator":"characters 1399 to 1411 of the retained text"}},{"id":"01M4P3YTZRS2QDZND2P4SMH3F9","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual","field":"microwave warning","ordinal":14,"value_number":null,"unit":null,"value_text":"Do not use a microwave oven to heat the bottle as microwave ovens can create hotspots in milk/formula and/or bottle components.","original_value":"Do not use a microwave oven to heat the bottle as microwave ovens can create hotspots in milk/formula and/or bottle components.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual:artefact:ad1fd66939516d34690cbfac25c38be00857dedbc4ff170c14c414a2772e05d0","start":4341,"end":4468,"summary_id":null,"excerpt_id":null,"span_sha256":"439bbba4e0415272516efe0018b8530e5d06afabb537700170ebeeae09204232","source_locator":"characters 4341 to 4468 of the retained text"}},{"id":"01M4P3YVB74FA4TZXZKV62M5ZB","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual","field":"glass material","ordinal":15,"value_number":null,"unit":null,"value_text":"Dr. Brown's glass bottles are made of borosilicate glass.","original_value":"Dr. Brown’s glass bottles are made of borosilicate glass.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual:artefact:ad1fd66939516d34690cbfac25c38be00857dedbc4ff170c14c414a2772e05d0","start":4770,"end":4827,"summary_id":null,"excerpt_id":null,"span_sha256":"69e70f5bf2b8baf0c4599edc6c4c859fe0cbc152db6396adaafa9b1dab78b573","source_locator":"characters 4770 to 4827 of the retained text"}},{"id":"01M4P3YVRSA39WAKX5XVVEHP60","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual","field":"glass care","ordinal":16,"value_number":null,"unit":null,"value_text":"Inspect the glass bottle before each use for sharp edges, fragments, or flakes of glass; do not use if there are cracks or chips; sudden temperature changes can cause glass to crack or break; do not freeze glass bottles.","original_value":"Bottles should always be inspected\nbefore each use for sharp edges, fragments, or flakes of glass that may have become dislodged and loose inside the\nbottle. Do not use if there are any cracks or chips on the bottle. Sudden temperature changes can cause glass bottles to\ncrack or break. Do not freeze glass bottles.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual:artefact:ad1fd66939516d34690cbfac25c38be00857dedbc4ff170c14c414a2772e05d0","start":4853,"end":5168,"summary_id":null,"excerpt_id":null,"span_sha256":"0c29afee74f852f7e6697f5684e74ee4707eb700d3ae2d8512097807a914286c","source_locator":"characters 4853 to 5168 of the retained text"}},{"id":"01M4P3YW4QY0D29SQRD3NCW57V","source_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual","field":"glass warnings","ordinal":17,"value_number":null,"unit":null,"value_text":"Never allow the child to stand, walk, or run while using a glass bottle, and do not allow baby to self feed.","original_value":"Never allow the child to stand, walk, or run while using a glass bottle. Do\nnot allow baby to self feed.","confidence":1,"citation":{"lineage_tier":"T1","artefact_id":"drbrownsbaby-com--dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml:quick:source:3:manual:artefact:ad1fd66939516d34690cbfac25c38be00857dedbc4ff170c14c414a2772e05d0","start":5169,"end":5273,"summary_id":null,"excerpt_id":null,"span_sha256":"5139d5669b6d4037c8218ffa11f68d7f4e8f0775f0bb867d1706368a4db05bc2","source_locator":"characters 5169 to 5273 of the retained text"}}],"facet_texts":[],"gaps":[{"id":"01M4P3YWYKCVCMS2QAP5DC1RBJ","source_type":"facets","url":null,"reason":"embeddings skipped in the deep lane","detail":"the deep lane makes no embedding call; this pack has no facet texts and no vectors","recorded_at":"2026-10-11T18:21:14.156Z"},{"id":"01M4P3YXAGPSWBZ6AKM2C7PA57","source_type":"review","url":"https://www.reddit.com/r/NewParents/comments/1mbjmfk/dr_browns_skip_the_4oz_bottles_and_get_the_8oz/","reason":"not read","detail":"Reddit's public .json view of the thread: The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-11T18:21:14.156Z"},{"id":"01M4P3YXP8N7AA28JD5TC3AD6G","source_type":"review","url":"https://www.reddit.com/r/FormulaFeeders/comments/1j5i3ku","reason":"not read","detail":"Reddit's public .json view of the thread: The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-11T18:21:14.156Z"},{"id":"01M4P3YY1P2AJ8GGCG1EGRW2YG","source_type":"review","url":"https://www.reddit.com/r/newborns/comments/1i9p5kk","reason":"not read","detail":"Reddit's public .json view of the thread: The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-11T18:21:14.156Z"},{"id":"01M4P3YYD3DD41JWHVHBWXEYT9","source_type":"review","url":"https://www.reddit.com/r/ExclusivelyPumping/comments/1dwoe8n","reason":"not read","detail":"Reddit's public .json view of the thread: The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-11T18:21:14.156Z"},{"id":"01M4P3YYTX6ERH57N245V81F7N","source_type":"review","url":"https://www.influenster.com/reviews/dr-browns-options-narrow-baby-bottle","reason":"not read","detail":"The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity.","recorded_at":"2026-10-11T18:21:14.156Z"},{"id":"01M4P3YZ6DQKRZTY55XTE8HA2C","source_type":"review","url":"https://www.reddit.com/r/FormulaFeeders/comments/17gmja8","reason":"not read","detail":"Reddit's public .json view of the thread: The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-11T18:21:14.156Z"},{"id":"01M4P3YZHWQR0BYPWNB44328E8","source_type":"review","url":"https://www.reddit.com/r/FormulaFeeders/comments/1wtit5t/dr_browns_bottles_are_gaslighting_me/","reason":"not read","detail":"Reddit's public .json view of the thread: The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-11T18:21:14.156Z"},{"id":"01M4P3YZX9HB8P0MAFAGN2XS1R","source_type":"review","url":"https://www.reddit.com/r/NewParents/comments/1j8hy41","reason":"not read","detail":"Reddit's public .json view of the thread: The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-11T18:21:14.156Z"},{"id":"01M4P3Z08WMJ53WV6A3CJ5265M","source_type":"review","url":"https://www.reddit.com/r/ExclusivelyPumping/comments/163vfwk/im_so_frustrated_at_dr_brown_bottles_they_keep/","reason":"not read","detail":"Reddit's public .json view of the thread: The server refused RoboTrunk's named fetcher (HTTP 403). It is not retried under another identity. It is never retried in a browser.","recorded_at":"2026-10-11T18:21:14.156Z"}],"facet_check":null,"evidence_depth":{"note":"Deep read: the store's own data and 8 outside pages (the store's own product page; maker page; manual; blog; regulator recall search (CPSC (United States)); regulator recall search (Health Canada)), each read in full by RoboTrunk and trimmed to its main content, then written up and checked. Facts from the maker or a manual quote the page word for word; what real users report is summarised with a link to the page read. Recall status was checked directly with CPSC (United States), Health Canada: CPSC recall search returned an error rather than a usable recall record; Health Canada's one Dr. Brown's record is for Lovey Pacifier & Teether Holders, not this bottle, so no recall was found for this exact model. Still open, with no evidence found: What are the exact dimensions of the bottle?; What is the bottle's weight in ounces or grams?; Is this listing for one bottle or a set?; What exactly is included with the single bottle?; Does the bottle come with a protective silicone sleeve?; What age range is this bottle suitable for?; Are there any age or weight limits for using this bottle?; What safety standards or certifications does this bottle meet?; Does the bottle have measurement markings, and do they fade?; Can the bottle be used with other Dr. Brown's nipple levels?; Is the bottle compatible with standard cup holders or stroller pockets?; What warranty does this bottle come with?; Is the glass bottle made in the USA?; Does the nipple contain any latex or other allergens?.","tier":"complex","depth":"trimmed_read","model":"deepseek-flash","recall":{"note":"CPSC recall search returned an error rather than a usable recall record; Health Canada's one Dr. Brown's record is for Lovey Pacifier & Teether Holders, not this bottle, so no recall was found for this exact model.","status":"no_recall_found","regulators_asked":["CPSC (United States)","Health Canada"]},"sources":[{"url":"https://4f71f1-4.myshopify.com/products.json","role":"the store's own data","retained":true},{"url":"https://4f71f1-4.myshopify.com/products/dr-browns-natural-flow-anti-colic-options-glass-baby-bottle-8oz-250ml","role":"the store's own product page","retained":true},{"url":"https://drbrownsbaby.com/products/anti-colic-options-narrow-glass-baby-bottle-8oz-4-pack?bvstate=pg%3A13%2Fct%3Ar","role":"maker page","retained":true},{"url":"https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf","role":"manual","retained":true},{"url":"https://drbrownsbaby.com/pages/instructions","role":"manual","retained":true},{"url":"https://www.babylist.com/hello-baby/best-glass-baby-bottles","role":"blog","retained":true},{"url":"https://www.redditmamas.com/blog/glass-vs-plastic-baby-bottles","role":"blog","retained":true},{"url":"https://www.saferproducts.gov/RestWebServices/Recall?format=json&Manufacturer=Dr.%20Brown's","role":"regulator recall search (CPSC (United States))","retained":true},{"url":"https://recalls-rappels.canada.ca/sites/default/files/opendata-donneesouvertes/HCRSAMOpenData.json","role":"regulator recall search (Health Canada)","retained":true}],"reasoning":"low","embeddings":"skipped in the deep lane: no embedding call is made here","searched_for":["maker_page","manual","recall_notices","owner_reviews","blogs","forums","video_reviews"],"open_questions":["What are the exact dimensions of the bottle?","What is the bottle's weight in ounces or grams?","Is this listing for one bottle or a set?","What exactly is included with the single bottle?","Does the bottle come with a protective silicone sleeve?","What age range is this bottle suitable for?","Are there any age or weight limits for using this bottle?","What safety standards or certifications does this bottle meet?","Does the bottle have measurement markings, and do they fade?","Can the bottle be used with other Dr. Brown's nipple levels?","Is the bottle compatible with standard cup holders or stroller pockets?","What warranty does this bottle come with?","Is the glass bottle made in the USA?","Does the nipple contain any latex or other allergens?"]}}