# Dr\. Brown's® Anti\-Colic Options\+™ Narrow Glass Baby Bottle, 4oz – 4\-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:* 40 checked facts, research depth trimmed read, checked 2026-10-11T17:14:16.955Z, in the [evidence pack](/agent/evidence/drbrownsbaby-com--anti-colic-options-narrow-glass-baby-bottle-4oz-4-pack).
- **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-options-narrow-glass-baby-bottle-4oz-4-pack).
- **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 2026-10-22T19:26:17.059Z.
- **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/9579600642325.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 29.99; out of stock. Variant id: `gid://shopify/ProductVariant/50053836374293`
  - Seller: drbrownsbaby\.com. Price: USD 29\.99. Stock: out of stock. Variant: Default Title, variant id `gid://shopify/ProductVariant/50053836374293`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://4f71f1-4.myshopify.com/products/anti-colic-options-narrow-glass-baby-bottle-4oz-4-pack). [Comparison page](/compare/want/baby-bottles-designed-to-reduce-colic-and-gas-5bf611b0). [Get ready to buy from drbrownsbaby\.com: prepare checkout](/checkout-prepare?merchant=drbrownsbaby-com&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9579600642325&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F50053836374293).

## 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. 40 checked facts, checked 2026-10-11T17:14:16.955Z. Research depth: trimmed read. Deep read: the store's own data and 6 outside pages \(the store's own product page; maker page; manual; 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 for Dr\. Brown's returned no recall records for this product\. Health Canada recall records mention a 2018 recall for Dr\. Brown's Lovey Pacifier & Teether Holders, not this bottle\.

- anti\-colic vent system: The bottle's internal vent system is clinically proven to reduce colic and decreases spit\-up, burping and gas\.. Source: <https://4f71f1-4.myshopify.com/products.json> (listing), read 2026-10-11T07:16:33.630Z.
- SKU: The product's SKU is SB44024\.. Source: <https://4f71f1-4.myshopify.com/products/anti-colic-options-narrow-glass-baby-bottle-4oz-4-pack> (guide), read 2026-10-11T17:04:24.574Z.
- first use: Before first use, fully disassemble all parts, wash, then place components in boiling water for five minutes\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- nipple shape: The breast\-like nipple shape encourages a proper latch and provides a consistent flow so babies feed at their own pace\.. Source: <https://4f71f1-4.myshopify.com/products.json> (listing), read 2026-10-11T07:16:33.630Z.
- barcode: The barcode is 0\-72239\-33164\-4\.. Source: <https://4f71f1-4.myshopify.com/products/anti-colic-options-narrow-glass-baby-bottle-4oz-4-pack> (guide), read 2026-10-11T17:04:24.574Z.
- nipple inspection: Before each use, pull on the nipple in all directions to ensure it does not tear, and inspect carefully especially when the child has teeth\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- glass material: The glass bottles are heat and thermal shock\-resistant and can withstand hot and cold temperatures and gradual temperature changes\.. Source: <https://4f71f1-4.myshopify.com/products.json> (listing), read 2026-10-11T07:16:33.630Z.
- nipple level: The bottle comes with a Level 1 slow flow nipple\.. Source: <https://4f71f1-4.myshopify.com/products/anti-colic-options-narrow-glass-baby-bottle-4oz-4-pack> (guide), read 2026-10-11T17:04:24.574Z.
- nipple replacement: Discontinue use and replace the nipple immediately if any signs of wear or damage are visible, such as cracking or change of shape\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- cleaning: All parts are safe for dishwasher \(top rack only\), electric and microwave sterilizers, or boiling water\.. Source: <https://4f71f1-4.myshopify.com/products/anti-colic-options-narrow-glass-baby-bottle-4oz-4-pack> (guide), read 2026-10-11T17:04:24.574Z.
- cleaning caution: Do not use the wire cleaning brush to clean the nipple as this will cause it to tear\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- BPA: The bottle is BPA free\.. Source: <https://4f71f1-4.myshopify.com/products/anti-colic-options-narrow-glass-baby-bottle-4oz-4-pack> (guide), read 2026-10-11T17:04:24.574Z.
- assembly: Connect the reservoir tube to the insert so they fit tightly, place the assembled vent system into the bottle, snap the nipple into the collar, affix collar to bottle and turn until closed, but do not over\-tighten\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- vent removable: The internal vent system works best in place but can be removed as baby's feeding develops, without introducing a different bottle\.. Source: <https://4f71f1-4.myshopify.com/products/anti-colic-options-narrow-glass-baby-bottle-4oz-4-pack> (guide), read 2026-10-11T17:04:24.574Z.
- warming: If warming the bottle, always remove all bottle components before warming and use the storage/travel cap\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- pediatrician recommendation: Dr\. Brown's is the \#1 Pediatrician Recommended Baby Bottle in the U\.S\.; the sources disagree on the survey year — the store's listing says the IQVIA Health ProVoice Survey 2024, while the maker's instruction page says the IQVIA Health ProVoice Survey 2025\.. Source: <https://4f71f1-4.myshopify.com/products/anti-colic-options-narrow-glass-baby-bottle-4oz-4-pack> (guide), read 2026-10-11T17:04:24.574Z.
- shaking: Do not shake the bottle; shaking will cause air bubbles\. Formula should be stirred gently\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- milk nutrients: The internal vent system is proven to help preserve bottle milk nutrients and aids in digestion for a better night's sleep\.. Source: <https://4f71f1-4.myshopify.com/products/anti-colic-options-narrow-glass-baby-bottle-4oz-4-pack> (guide), read 2026-10-11T17:04:24.574Z.
- fill line: To prevent leaks, do not fill the bottle above the FILL LINE WARNING\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- vacuum\-free feeding: The bottle provides vacuum\-free feeding closest to breastfeeding, with silicone nipples providing a consistent flow\.. Source: <https://4f71f1-4.myshopify.com/products/anti-colic-options-narrow-glass-baby-bottle-4oz-4-pack> (guide), read 2026-10-11T17:04:24.574Z.
- nipple compatibility: Only use Dr\. Brown's nipples/teats with this bottle; other brands may leak or flow too fast or too slow\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- feeding angle: When feeding, hold the bottle so that the reservoir tube hole in the bottom is not covered by liquid, approximately at a 45° angle\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- nipple change frequency: Change nipples/teats after six weeks of use\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- travel: When transporting bottles, always keep them upright and use the storage/travel cap or disk to help prevent leaking\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- air travel: During air travel, remove internal parts and secure with travel cap or disk to prevent leaking from air pressure\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- tooth decay warning: Continuous and prolonged sucking of fluids will cause tooth decay\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- glass material: Dr\. Brown's glass bottles are made of borosilicate glass\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- glass breakage: Glass bottles may break\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- glass inspection: Glass bottles should be inspected before each use for sharp edges, fragments, or flakes of glass that may have become dislodged and loose inside the bottle\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- glass cracks: Do not use if there are any cracks or chips on the bottle\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- glass freezing: Do not freeze glass bottles\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- glass handling: Never allow the child to stand, walk, or run while using a glass bottle, and do not allow baby to self feed\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- microwave heating: Do not use a microwave oven to heat the bottle as microwave ovens can create hotspots in milk or formula and/or bottle components\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- choking hazard: Small pieces can accidentally be inhaled and cause serious injury; keep components not in use out of reach of children\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- strangulation warning: Never attach to cords, ribbons, laces or loose parts of clothing; the child can be strangled\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- pacifier warning: Never use feeding nipples/teats as a pacifier/soother\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- adult supervision: Always use this product with adult supervision\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- sunlight/heat: Do not leave the nipple in direct sunlight, heat, or sterilizing solution for longer than recommended as this may weaken the nipple\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- walking/running: Do not allow a child to walk or run while using any bottle\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.
- bed/self\-feed: Do not let a child take a bottle to bed or self\-feed for long periods\.. Source: <https://drbrowns.co.za/wp-content/uploads/2024/07/BFW001_F4_Universal_Bottle_WEB_ADA-1.pdf> (manual), read 2026-10-11T17:04:44.692Z.

The full evidence pack, with every citation, source and gap: [evidence pack](/agent/evidence/drbrownsbaby-com--anti-colic-options-narrow-glass-baby-bottle-4oz-4-pack)

## 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 manual and the recall records of CPSC \(United States\) and Health Canada and searched for 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.

- What is the exact weight of one 4oz glass bottle?
- What are the dimensions of the 4oz bottle?
- Does the 4oz bottle fit standard stroller cup holders?
- Is a silicone sleeve included with this 4\-pack?
- Is a travel cap or disk included?
- What is the warranty on this bottle?
- Does the bottle have measurement markings in ounces and milliliters?
- What is the recommended age range for this bottle?
- Does the bottle meet any safety standards or certifications?
- Is the bottle compatible with Dr\. Brown's bottle warmer?
- Does the glass contain any lead or heavy metals?
- Can the bottle be used with other Dr\. Brown's nipple levels?
- How do you clean the narrow vent tube?
- Is the bottle available in other colors?
- Does the bottle come with a cleaning brush?

To buy this through RoboTrunk, pass merchant `drbrownsbaby-com`, product_id `gid://shopify/Product/9579600642325` and one variant_id from the list above.

Product image of Dr\. Brown's® Anti\-Colic Options\+™ Narrow Glass Baby Bottle, 4oz – 4\-pack, supplied by drbrownsbaby\.com: <https://cdn.shopify.com/s/files/1/0831/9071/0549/files/SB44024-WEB_R1_Product_OptionsPLUS_Narrow_GLASS_4oz_120ml_4-Pack_glass_call-out.jpg?v=1784918402>

This product on drbrownsbaby.com: <https://4f71f1-4.myshopify.com/products/anti-colic-options-narrow-glass-baby-bottle-4oz-4-pack>

Retrieved 2026-10-22T19:26:17.059Z from <https://4f71f1-4.myshopify.com/products.json>

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. The person approves the total; once RoboTrunk
has checked the store's total against it, the person is given the checkout link to
tap in their own browser, or, if the person prefers and gives permission, their
agent may open the link and finish there, and payment always happens on the
store's own checkout page. RoboTrunk never takes the payment or sees a card.

Where the rest of this site is:

- /agent/story.md is what RoboTrunk is and how it works, in full.
- /agent/tools.json is every tool, its arguments and its answers.
- /agent/merchants is every store you can buy from through RoboTrunk.
- /products/ucp is every store's indexed products.
- /products/search is one search across every store, in plain words.

- [What RoboTrunk is](/agent/story.md)
- [The tools and how to call them](/agent/tools.json)
- [The stores you can buy from](/agent/merchants)
- [Every store's products](/products/ucp)
- [Search every store at once](/products/search)
