Philips Avent
Glass feeding bottle with a silicone nipple, so milk is heated and held in glass rather than plastic. The screw collar is plastic, which is true of every glass bottle on the market.
$$$Our price tier
Chicco
NaturalFit Glass Baby Bottle with Silicone Sleeve
Plasticproof Great $$$Our price tier
Glass bottle with a silicone sleeve included and an angled nipple designed for latch — glass for the milk, silicone for the mouth and the grip.
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See exactly how we verify this
Glass bottleMilk never in plastic.
Sleeve includedNot an extra purchase.
Silicone nippleShaped for latch.
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Why it's safe for your family
- The milk is in glass, so nothing plastic is being warmed against formula or breast milk several times a day.
- The sleeve is included rather than sold separately, which matters because a glass bottle without one is the version that gets dropped and abandoned.
- The nipple is silicone and shaped for latch, which is the practical question for babies moving between breast and bottle — a bottle they refuse is not a safer bottle.
- The screw collar is plastic and sits outside the milk path, as on every glass bottle made.
Quick specs
Bottle
Glass
Sleeve
Silicone, included
Nipple
Silicone, angled for latch
Collar
Plastic — outside the milk
What to avoid instead
Avoid warming milk in plastic bottles. Also avoid buying a full set of any bottle before you know your baby takes that nipple shape — bottle refusal is common, and one bottle first is cheaper than six.
How we verify — and what we don't
Straight answer: we're a research team, not a testing lab. Here's exactly what our rating is based on — and what it isn't — so you can weigh it honestly.
What we check
- What the product is made of, from the maker's own specs and product listing.
- Whether any part that touches you or your food uses PTFE, PFAS, plastic, or a coating that can degrade.
- Peer-reviewed research on how that material behaves when heated, scratched, washed, or worn.
- Known failure modes — how the product actually breaks down in a real home.
What we don't do
- We have not chemically tested this specific unit in a lab.
- We don't take payment to rate a product higher — there is no sponsored placement.
- We don't show star ratings or "trusted by thousands" counts we can't stand behind.
What gets a product rejected
Anything that adds a known microplastic, PFAS, or off-gassing source — a non-stick coating, a plastic surface against food or skin, vinyl/PVC — is downgraded or cut. We only list what clears that bar.
Don't take our word for it — check the sources yourself Chicco's product details
Common questions
Will my baby take this nipple?
No one can promise that; babies are opinionated about nipple shape and flow. Buy one bottle to test before committing to a set. That advice is worth more than any material claim on this page.
How do I know when to change the nipple?
Replace any silicone nipple that is discolored, sticky, swollen or torn, and step up flow when feeding takes noticeably longer or your baby gets frustrated. Check them regularly — a nipple with a hidden split is a choking risk.
Can it go in the dishwasher?
Glass, sleeve and nipple all handle a dishwasher. Take the assembly apart first — milk residue hides in the thread and in the nipple base, and that is the part that goes sour.
Related reading
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