# Dr\. Brown's Natural Flow Anti\-Colic Narrow Baby Bottle, 2oz/60mL with Preemie Flow™ Nipple, 2\-Pack \| live price, prepared checkout ## Built for shopping agents: what RoboTrunk does for every product We asked shopping agents, including Meta's Muse first-hand, what they need from a store. This is what they asked for, and what we have built. RoboTrunk is working through its catalogue, so a step may not be done for this one yet. Where a step is done per product, the line ends with what is done for this product. - **Deep research:** We read the maker's manual, independent reviews, video review transcripts and the store's own page, and publish each finding with its source and the date read. `check_product` returns them with a source for each. *This product:* 27 checked facts, research depth trimmed read, checked 2026-10-11T17:14:16.584Z, in the [evidence pack](/agent/evidence/drbrownsbaby-com--anti-colic-narrow-baby-bottle-preemie-flow-nipple). - **Receipts:** Every published fact has a receipt showing its source quote. `check_product` and `get_product` return the checked facts that have one. *This product:* each checked fact listed below has one; the source quotes are in the [evidence pack](/agent/evidence/drbrownsbaby-com--anti-colic-narrow-baby-bottle-preemie-flow-nipple). - **Safety:** `check_product` asks the product-safety regulators live (US CPSC, NHTSA and FDA, Health Canada, the UK's OPSS, Australia's ACCC) whether a recall names a product, listed here or not, and flags a match with its notice; a recall never blocks the buyer. *This product:* this page holds no recall result for it yet; `check_product` asks the regulators now. - **Recall watch:** `watch_recalls` tells the buyer if a product bought here is recalled later. - **Second-hand listings:** `check_listing` runs the same recall check on a second-hand listing someone found, and adds what the listing leaves out and the price new. - **The real price:** The full price to the buyer's country, with shipping and tax, each part quoted from the store's policy or, where a part is not settled, what the total depends on: `check_product` and `search_catalog` take the buyer's country and postcode. *This product:* this store's price was read from its catalogue at 2026-10-19T19:10:56.498Z. - **A checkout that finishes:** RoboTrunk lists only stores whose agent checkout it has verified. `create_checkout` prepares the order at the store; `complete_checkout` returns a link to the store's own checkout. The checkout can be finished in either of two ways: the person taps the link in their own browser, or their agent opens it and completes the checkout. RoboTrunk checks the store's total against a budget ceiling before it issues the link. Payment always happens on the store's own page, and RoboTrunk never holds the money. No store pays for placement; RoboTrunk may earn a commission from some stores via their affiliate programs. - **Markdown copy:** Every page has a Markdown copy: [this page's copy](https://robotrunk.com/products/ucp/drbrownsbaby-com/9299312673045.md). - **Photos and ratings:** Search results carry the product photo and, where the store's own page publishes one, its rating (`search_catalog`). - **Fit answers:** `check_fit` answers whether a listing fits a car, pram or bottle, with the exact quote from the store's page, or says it is not known. - **Back-in-stock watches:** `watch_back_in_stock` starts a watch on a listing the store shows as sold out; `get_back_in_stock_watch` shows when it is back in stock. - **Maker's manual:** `ask_product_manual` answers from the maker's manual with the exact passage and page, or says the manual does not cover it. - **Tools and guide:** Every tool and its description is at https://robotrunk.com/mcp; the guide is at [/agents\.md](/agents.md). - **Research from other stores:** Coming soon: reading other stores' listings of the same product as research sources. Sold and shipped by drbrownsbaby\.com, drbrownsbaby.com; payment happens on the store's own checkout. Brand: Dr\. Brown's ## Variants - Default Title: USD 9.99; in stock. Variant id: `gid://shopify/ProductVariant/48806381584661` - Seller: drbrownsbaby\.com. Price: USD 9\.99. Stock: in stock. Variant: Default Title, variant id `gid://shopify/ProductVariant/48806381584661`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://4f71f1-4.myshopify.com/products/anti-colic-narrow-baby-bottle-preemie-flow-nipple). [Get ready to buy from drbrownsbaby\.com: prepare checkout](/checkout-prepare?merchant=drbrownsbaby-com&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9299312673045&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F48806381584661). ## Checked facts Each fact below was checked against the source it cites before it was published. Each carries that source's link and the time RoboTrunk read it. 27 checked facts, checked 2026-10-11T17:14:16.584Z. Research depth: trimmed read. Deep read: the store's own data and 5 outside pages \(the store's own product page; maker page; spec sheet; 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: A CPSC recall search under the Dr\. Brown's manufacturer name returned no recall records for this item and SKU \(SB2200\)\. The only Health Canada record naming Dr\. Brown's is a 2018 recall of Lovey Pacifier & Teether Holders for a choking hazard, which is a different product and does not apply to this preemie bottle\. - second store listing: A Canadian store lists the same brand and SKU \(SB2200\) under the title Dr\. Brown's \- Natural Flow Anti\-Colic Narrow Baby Bottle, Preemie Flow Nipple \(2oz\), with the same product description as the maker\.. Source: (listing), read 2026-10-11T07:16:33.630Z. - what it is: The maker describes this as an anti\-colic preemie baby bottle sized for premature babies, sold as a 2\-pack of 2oz/60mL bottles assembled with Preemie Flow™ nipples\.. Source: (guide), read 2026-10-11T17:02:08.838Z. - spec sheet product name: The spec sheet names this item as the 2 oz/60 mL Narrow Preemie Flow™ Bottle System in the Zero\-Resistance™ line\.. Source: (manual), read 2026-10-11T17:03:23.754Z. - recall search: A CPSC recall search for Dr\. Brown's and this item returned no recall records\.. Source: (guide), read 2026-10-11T17:03:26.762Z. - recall search: The only Health Canada recall record mentioning Dr\. Brown's concerns Lovey Pacifier & Teether Holders for a choking hazard, not this bottle\.. Source: (guide), read 2026-10-11T17:03:27.145Z. - age range: The product is stated as suitable from 0 months and older\.. Source: (guide), read 2026-10-11T17:02:08.838Z. - pack quantity and case: The retail pack is a 2\-pack, and there are 12 per case\.. Source: (manual), read 2026-10-11T17:03:23.754Z. - anti\-colic claim: Dr\. Brown's states that the anti\-colic vent system is clinically proven to reduce colic and to decrease spit\-up, burping and gas\.. Source: (guide), read 2026-10-11T17:02:08.838Z. - breast pump compatibility: The bottle uses universal threading designed to fit most electric breast pump systems\.. Source: (manual), read 2026-10-11T17:03:23.754Z. - nipple shape and latch: The nipple has a breast\-like shape that the maker says encourages a proper latch and gives a consistent flow so the baby feeds at its own pace\.. Source: (guide), read 2026-10-11T17:02:08.838Z. - nipple compatibility: The bottle is compatible with all Dr\. Brown's Narrow nipples\.. Source: (manual), read 2026-10-11T17:03:23.754Z. - nipple material and feeding method: The nipples are silicone, and the maker describes the feeding as vacuum\-free and closest to breastfeeding, easing the transition between breast and bottle\.. Source: (guide), read 2026-10-11T17:02:08.838Z. - reusability and assembly: The system is designed to be reusable and comes assembled with a Preemie Flow™ nipple\.. Source: (manual), read 2026-10-11T17:03:23.754Z. - vent system benefit: The maker claims the internal vent system helps preserve bottle milk nutrients and aids digestion\.. Source: (guide), read 2026-10-11T17:02:08.838Z. - sterilisation methods: The spec sheet states the bottle is safe on the top rack of a dishwasher, in a microwave steam bag, and in steam sterilisation \(autoclave\)\.. Source: (manual), read 2026-10-11T17:03:23.754Z. - pediatrician recommendation: Dr\. Brown's states its bottle is the number one pediatrician recommended baby bottle in the U\.S\., citing an IQVIA Health ProVoice Survey from 2025\.. Source: (guide), read 2026-10-11T17:02:08.838Z. - nutrient preservation: The maker states the system preserves vitamins A, C and E in the milk\.. Source: (manual), read 2026-10-11T17:03:23.754Z. - care and sterilising: The bottle is stated to be safe in the dishwasher on the top rack only, in electric and microwave sterilisers, and in boiling water\.. Source: (guide), read 2026-10-11T17:02:08.838Z. - how the system works: The Zero\-Resistance™ system is described as eliminating sub\-atmospheric pressure to give an efficient, consistent oral feeding experience\.. Source: (manual), read 2026-10-11T17:03:23.754Z. - material safety: The bottle is stated to be BPA free\.. Source: (guide), read 2026-10-11T17:02:08.838Z. - retail package dimensions and weight: The retail package measures 4\.0 inches wide, 2\.0 inches long and 6\.4 inches high, and weighs 0\.31 lb / 4\.9 oz\.. Source: (manual), read 2026-10-11T17:03:23.754Z. - end of life: The maker says the bottle is designed to be reused through all of baby's feeding stages and is recyclable\.. Source: (guide), read 2026-10-11T17:02:08.838Z. - what is included: The retail pack includes a Universal Bottle Instruction Sheet\.. Source: (manual), read 2026-10-11T17:03:23.754Z. - identifiers: The product carries the maker's SKU SB2200 and the barcode/UPC 0\-72239\-30821\-9\.. Source: (guide), read 2026-10-11T17:02:08.838Z. - item number and UPC: The retail 2\-pack is item SB2200\-P3 with retail UPC 0\-72239\-30821\-9, packed 12 per case\.. Source: (manual), read 2026-10-11T17:03:23.754Z. - shipping weight in store data: The store's structured variant data records a weight value of 141 \(grams\) for the product\.. Source: (guide), read 2026-10-11T17:02:08.838Z. - what is included: The listing is a single default variant containing the 2\-pack of 2oz/60mL bottles with Preemie Flow nipples; no other bundle or accessory is listed\.. Source: (guide), read 2026-10-11T17:02:08.838Z. The full evidence pack, with every citation, source and gap: [evidence pack](/agent/evidence/drbrownsbaby-com--anti-colic-narrow-baby-bottle-preemie-flow-nipple) ## Questions we researched but could not confirm Every fact above is cited. To find them we read the store listing, the maker's page, the spec sheet and the recall records of CPSC \(United States\) and Health Canada and searched for the manual, regulator recall notices, owner reviews, blogs, owner forums and video reviews. We also chased the questions below across those sources and found no reliable answer, so you know exactly where the evidence ends and never have to guess. - How thick are the bottle walls, and how does the surface feel to the touch? - How much does one empty 2oz bottle weigh? - What are the exact height and diameter of a single bottle? - How many separate parts must be cleaned and assembled per bottle? - Does the bottle fit standard pram and stroller bottle holders? - Will the narrow bottle fit Medela and other common breast pump kits? - How soft and flexible is the Preemie Flow nipple compared with other sizes? - Does the nipple or bottle tend to collapse, crack or leak with use? - How long does the Preemie Flow nipple last before it needs replacing? - Is the bottle safe for use in a countertop steam steriliser's bottom rack? - What warranty does Dr\. Brown's give on this bottle? - Are the bottles and nipples free of BPA substitutes such as BPS? - Can the vent system parts be bought separately as spares? - Is there a maximum milk volume or fill line marked on the bottle? - Does the printing or markings on the bottle wear off over time? To buy this through RoboTrunk, pass merchant `drbrownsbaby-com`, product_id `gid://shopify/Product/9299312673045` and one variant_id from the list above. Product image of Dr\. Brown's Natural Flow Anti\-Colic Narrow Baby Bottle, 2oz/60mL with Preemie Flow™ Nipple, 2\-Pack, supplied by drbrownsbaby\.com: This product on drbrownsbaby.com: Retrieved 2026-10-19T19:10:56.498Z from This page is published by RoboTrunk, a store built for shopping agents. The store named on this page sells the product and ships it. RoboTrunk is not the seller and never holds the money. Buying works in one path. RoboTrunk's tools prepare a checkout at that store, then hand back a short-lived link. 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