# Dr\. Brown's Natural Flow Wide\-Neck Baby Bottle Silicone Nipple, Level Preemie, 6\-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:* 34 checked facts, research depth trimmed read, checked 2026-10-11T19:07:25.744Z, in the [evidence pack](/agent/evidence/drbrownsbaby-com--dr-browns-options-wide-neck-baby-bottle-nipple-preemie).
- **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--dr-browns-options-wide-neck-baby-bottle-nipple-preemie).
- **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 2026-10-20T19:11:04.697Z.
- **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/9139833012501.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 16.99; in stock. Variant id: `gid://shopify/ProductVariant/48329369616661`
  - Seller: drbrownsbaby\.com. Price: USD 16\.99. Stock: in stock. Variant: Default Title, variant id `gid://shopify/ProductVariant/48329369616661`. shipping not recorded; confirmed at merchant checkout. returns not recorded; confirmed at merchant checkout. [Public evidence](https://4f71f1-4.myshopify.com/products/dr-browns-options-wide-neck-baby-bottle-nipple-preemie). [Comparison page](/compare/want/bottle-nipples-for-a-breastfed-baby-who-refuses-the-bottle). [Get ready to buy from drbrownsbaby\.com: prepare checkout](/checkout-prepare?merchant=drbrownsbaby-com&product_id=gid%3A%2F%2Fshopify%2FProduct%2F9139833012501&variant_id=gid%3A%2F%2Fshopify%2FProductVariant%2F48329369616661).

## 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. 34 checked facts, checked 2026-10-11T19:07:25.744Z. Research depth: trimmed read. Deep read: the store's own data and 6 outside pages \(the store's own product page; maker page; 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: Two regulator sources were read\. The CPSC recall search for Dr\. Brown's returned a record but with an error retrieving recalls, so it shows no applicable recall for this model\. The Health Canada open data mentions only a 2018 recall of Dr\. Brown's Lovey Pacifier & Teether Holders, a different product, not this nipple\.

- fit: The silicone nipple fits all Dr\. Brown's Anti\-colic Options\+ Wide\-Neck bottles\.. Source: <https://4f71f1-4.myshopify.com/products.json> (listing), read 2026-10-11T07:16:33.630Z.
- materials: The nipple is BPA free\.. Source: <https://4f71f1-4.myshopify.com/products/dr-browns-options-wide-neck-baby-bottle-nipple-preemie> (guide), read 2026-10-11T18:47:40.287Z.
- identification: The maker's structured data lists the product as brand Dr\. Brown's, SKU WN1600, in the category \(left blank\)\.. Source: <https://drbrownsbaby.com/products/dr-browns-options-wide-neck-baby-bottle-nipple-preemie?bvstate=pg%3A5%2Fct%3Ar> (guide), read 2026-10-11T18:47:56.950Z.
- pack contents: The wide\-neck preemie nipple 6\-pack ships in frustration\-free packaging, is not individually wrapped, and contains the nipple only, with no collar\.. Source: <https://www.drbrownsmedical.com/products/wide-neck-bottles-nipples/> (guide), read 2026-10-11T18:48:01.138Z.
- materials: The Australian maker page states the teat material is silicone, BPA free, with a wide neck\.. Source: <https://www.drbrowns.com.au/products/dr-browns-options-anti-colic-wide-neck-teats> (guide), read 2026-10-11T18:48:09.583Z.
- flow levels: There are six nipple flow levels, from 0m\+ to 9m\+ and for thicker liquids, and baby's preferred flow rate may differ from the suggested age range\.. Source: <https://4f71f1-4.myshopify.com/products.json> (listing), read 2026-10-11T07:16:33.630Z.
- care: Safe for dishwasher top rack, electric and microwave sterilizers, or boiling water\.. Source: <https://4f71f1-4.myshopify.com/products/dr-browns-options-wide-neck-baby-bottle-nipple-preemie> (guide), read 2026-10-11T18:47:40.287Z.
- materials: The nipple is described as super\-soft 100% silicone\.. Source: <https://drbrownsbaby.com/products/dr-browns-options-wide-neck-baby-bottle-nipple-preemie?bvstate=pg%3A5%2Fct%3Ar> (guide), read 2026-10-11T18:47:56.950Z.
- marking: The flow rate is imprinted on the nipple\.. Source: <https://www.drbrownsmedical.com/products/wide-neck-bottles-nipples/> (guide), read 2026-10-11T18:48:01.138Z.
- care: The teat is dishwasher top\-rack and steriliser safe\.. Source: <https://www.drbrowns.com.au/products/dr-browns-options-anti-colic-wide-neck-teats> (guide), read 2026-10-11T18:48:09.583Z.
- anti\-colic: Used with the anti\-colic internal vent system, the nipple is stated to be clinically proven to reduce colic and to decrease spit\-up, burping and gas\.. Source: <https://4f71f1-4.myshopify.com/products.json> (listing), read 2026-10-11T07:16:33.630Z.
- flow: The Preemie Flow wide\-neck nipple is the slowest\-flow nipple, meant for premature and breastfed newborns\.. Source: <https://4f71f1-4.myshopify.com/products/dr-browns-options-wide-neck-baby-bottle-nipple-preemie> (guide), read 2026-10-11T18:47:40.287Z.
- pack code: The wide\-neck Preemie Flow nipple 6\-pack has the code WN1600\-WEB\.. Source: <https://www.drbrownsmedical.com/products/wide-neck-bottles-nipples/> (guide), read 2026-10-11T18:48:01.138Z.
- age: The suggested age range for the preemie teat is 0 months\+, but baby's preferred flow rate may vary\.. Source: <https://www.drbrowns.com.au/products/dr-browns-options-anti-colic-wide-neck-teats> (guide), read 2026-10-11T18:48:09.583Z.
- pack: Sold as a 6\-pack in the preemie level\.. Source: <https://4f71f1-4.myshopify.com/products.json> (listing), read 2026-10-11T07:16:33.630Z.
- latch: The breast\-like shape is said to encourage a proper latch and to ease switching from breast to bottle and back\.. Source: <https://4f71f1-4.myshopify.com/products/dr-browns-options-wide-neck-baby-bottle-nipple-preemie> (guide), read 2026-10-11T18:47:40.287Z.
- fit: The wide\-neck nipple is compatible with all Wide\-Neck Dr\. Brown's Zero\-Resistance bottle systems\.. Source: <https://www.drbrownsmedical.com/products/wide-neck-bottles-nipples/> (guide), read 2026-10-11T18:48:01.138Z.
- design: The teat was designed alongside medical professionals, and its contoured shape and high\-grade soft silicone are said to help avoid teat confusion\.. Source: <https://www.drbrowns.com.au/products/dr-browns-options-anti-colic-wide-neck-teats> (guide), read 2026-10-11T18:48:09.583Z.
- flow consistency: Flow rates are engineered not to change between nipples of the same level\.. Source: <https://4f71f1-4.myshopify.com/products/dr-browns-options-wide-neck-baby-bottle-nipple-preemie> (guide), read 2026-10-11T18:47:40.287Z.
- quality control: Nipples are quality controlled for dependable, reliable flow rates\.. Source: <https://www.drbrownsmedical.com/products/wide-neck-bottles-nipples/> (guide), read 2026-10-11T18:48:01.138Z.
- acceptance: In a study of 884 babies, 93% accepted the Dr\. Brown's Options\+ Wide\-Neck Teat\.. Source: <https://www.drbrowns.com.au/products/dr-browns-options-anti-colic-wide-neck-teats> (guide), read 2026-10-11T18:48:09.583Z.
- pack size by level: The Preemie nipple is sold as a 6\-pack, while Levels 1 to 4 and the Y\-Cut are sold as 2\-packs\.. Source: <https://4f71f1-4.myshopify.com/products/dr-browns-options-wide-neck-baby-bottle-nipple-preemie> (guide), read 2026-10-11T18:47:40.287Z.
- flow: The preemie flow rate is described as optimal for premature and breastfeeding infants\.. Source: <https://www.drbrownsmedical.com/products/wide-neck-bottles-nipples/> (guide), read 2026-10-11T18:48:01.138Z.
- age levels: The Australian listing gives age guides per level: Level 1 0 months\+, Level 2 3 months\+, Level 3 6 months\+, Level 4 9 months\+, Y\-Cut 9 months\+\.. Source: <https://www.drbrowns.com.au/products/dr-browns-options-anti-colic-wide-neck-teats> (guide), read 2026-10-11T18:48:09.583Z.
- weight: The store's variant data lists a shipping weight of 127 for the 6\-pack, with no unit given\.. Source: <https://4f71f1-4.myshopify.com/products/dr-browns-options-wide-neck-baby-bottle-nipple-preemie> (guide), read 2026-10-11T18:47:40.287Z.
- compatibility: Wide\-neck nipple flow rates are the same as the narrow version\.. Source: <https://www.drbrownsmedical.com/products/wide-neck-bottles-nipples/> (guide), read 2026-10-11T18:48:01.138Z.
- market variant: The Australian page is a different market listing for the wide\-neck teat, with its own SKU WN0201INTLX and MPN 072239317525\.. Source: <https://www.drbrowns.com.au/products/dr-browns-options-anti-colic-wide-neck-teats> (guide), read 2026-10-11T18:48:09.583Z.
- feeding feel: The vacuum\-free feeding is described as closest to breastfeeding, with a consistent flow so baby feeds at their own pace\.. Source: <https://4f71f1-4.myshopify.com/products/dr-browns-options-wide-neck-baby-bottle-nipple-preemie> (guide), read 2026-10-11T18:47:40.287Z.
- nutrients: The system is stated to preserve vitamins A, C and E\.. Source: <https://www.drbrownsmedical.com/products/wide-neck-bottles-nipples/> (guide), read 2026-10-11T18:48:01.138Z.
- fit: Fits Dr\. Brown's Options\+ Wide\-Neck bottles\.. Source: <https://www.drbrowns.com.au/products/dr-browns-options-anti-colic-wide-neck-teats> (guide), read 2026-10-11T18:48:09.583Z.
- nutrients: With the anti\-colic vent system the nipple is said to help preserve bottle milk nutrients and aid digestion\.. Source: <https://4f71f1-4.myshopify.com/products/dr-browns-options-wide-neck-baby-bottle-nipple-preemie> (guide), read 2026-10-11T18:47:40.287Z.
- professional trust: The wide\-neck system is trusted by neonatal professionals for over 20 years\.. Source: <https://www.drbrownsmedical.com/products/wide-neck-bottles-nipples/> (guide), read 2026-10-11T18:48:01.138Z.
- feeding mechanics: The Zero\-Resistance bottle system is said to maintain positive pressure, reducing energy expenditure and improving feeding efficiency and physiological stability\.. Source: <https://www.drbrownsmedical.com/products/wide-neck-bottles-nipples/> (guide), read 2026-10-11T18:48:01.138Z.
- hospital variant: The hospital/clinical wide\-neck Preemie Flow nipple \(WN011\-MED\) is individually wrapped and assembled with a collar, unlike the retail 6\-pack\.. Source: <https://www.drbrownsmedical.com/products/wide-neck-bottles-nipples/> (guide), read 2026-10-11T18:48:01.138Z.

The full evidence pack, with every citation, source and gap: [evidence pack](/agent/evidence/drbrownsbaby-com--dr-browns-options-wide-neck-baby-bottle-nipple-preemie)

## Questions we researched but could not confirm

Every fact above is cited. To find them we read the store listing, the maker's page 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.

- Are collars or rings included with this 6\-pack?
- What are the nipple's dimensions, such as base diameter and height?
- Does this nipple fit the original Dr\. Brown's Options bottles, not just Options\+?
- Does it fit any other brand's wide\-neck bottles?
- How often should these silicone nipples be replaced?
- Are the six nipples individually wrapped in this pack?
- What is the maximum age or weight for the preemie flow?
- Is the silicone latex\-free?
- Can the nipple be used with the internal vent system removed?
- How should the nipples be cleaned before first use?
- Is there a warranty on these nipples?
- What is the nipple's softness compared with Level 1?

To buy this through RoboTrunk, pass merchant `drbrownsbaby-com`, product_id `gid://shopify/Product/9139833012501` and one variant_id from the list above.

Product image of Dr\. Brown's Natural Flow Wide\-Neck Baby Bottle Silicone Nipple, Level Preemie, 6\-Pack, supplied by drbrownsbaby\.com: <https://cdn.shopify.com/s/files/1/0831/9071/0549/files/eyisn4i1eac2wwpejync.jpg?v=1750791061>

This product on drbrownsbaby.com: <https://4f71f1-4.myshopify.com/products/dr-browns-options-wide-neck-baby-bottle-nipple-preemie>

Retrieved 2026-10-20T19:11:04.697Z 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)
