Glass, plastic, silicone and anti-colic bottles for newborn feeds and the months after, compared on materials, nipple flow, venting and cleaning.
Last updated: October 2026·Research-based guide
As an Amazon Associate, Little Ones Lab earns from qualifying purchases. Prices and availability can change. Please double-check the listing before you buy.
How this guide was built
This guide is research-based. Picks come from published manufacturer specifications, retailer listings and published reviews from Wirecutter, BabyGearLab and What to Expect. No hands-on testing is claimed for these bottles.
Every product in this guide was checked against the CPSC recall database in October 2026. No active CPSC recall or safety warning was found for the specific models and packs listed here. One related product was left out of this guide: the Boon Nursh 8 oz reusable bottles in the pink tie-dye 3-pack sold at Walmart (item B11654) are under a CPSC recall announced in June 2026 for a choking hazard from the outer shell. No Boon Nursh bottle appears in this guide.
Materials and BPA-free claims are stated as each manufacturer lists them. Nipple flows are stated in two parts: the flow included in the pack, and the flows available separately.
Quick picks
Start with the material, then check the nipple flow included in the pack. Tap any pick to jump to the full review.
Who it’s forParents who want a glass bottle with a short parts list. The bottles are made of borosilicate glass. The Natural Response nipple releases milk when the baby actively drinks, and an anti-colic valve in the nipple sends air away from the baby’s tummy. Philips lists the glass as heat and thermal shock resistant, for fridge storage, warming, washing and sterilizing.
Specifications
Capacity
8 oz, 4-pack
Bottle material
Borosilicate glass, listed as BPA-free
Nipple
Silicone Natural Response, Flow 3 (medium flow) included
Other flows
Flows 1, 2, 4 and 5 available separately; 5 flow rates in total
Anti-colic feature
Anti-colic valve integrated in the nipple
Cleaning
Dishwasher safe as listed
Pros
Few parts, with a wide neck for filling and cleaning
Baby controls the pace of the flow at the nipple
Glass handles fridge-to-warmer temperature changes as listed
Cons
Glass weighs more than the plastic and silicone picks
Flow 3 can be fast for a newborn; slower flows are a separate purchase
Who it’s forFamilies focused on gas, burping and spit-up. The internal vent system channels air away from the milk, and Dr. Brown’s describes the feeding as vacuum-free. The vent can be removed as the baby’s feeding develops, so the same bottles stay in use across stages.
Specifications
Capacity
9 oz / 270 mL, 4-pack
Bottle material
BPA-free plastic as listed
Nipple
Silicone, Level 1 slow flow included
Other flows
Additional nipple levels available separately, from Preemie Flow upward
Anti-colic feature
Internal vent system, removable
Cleaning
Dishwasher safe on the top rack as listed; electric and microwave sterilizers or boiling water as listed
Pros
Vent system has the longest track record in this group
Who it’s forBreastfed babies who refuse firm bottles. The body and the mound are soft, squeezable silicone with a skin-like feel. Dual anti-colic vents sit in the nipple, and the wide neck opens far enough for brushless cleaning. BabyGearLab named Comotomo its best overall baby bottle and its best silicone bottle.
Specifications
Capacity
8 oz / 250 mL, 2-pack
Bottle material
Food-grade silicone as listed; BPA, PVC and phthalate free as listed
Nipple
Silicone, medium flow (2 holes, 3 to 6 months) included
Other flows
Slow flow comes on the 5 oz size; faster flows available separately
Anti-colic feature
Dual vents in the nipple
Cleaning
Safe in microwave, boiling water, dishwashers and sterilizers as listed
Pros
Soft body is easy for small hands to hold
Wide neck makes cleaning simple
Silicone holds up to drops
Cons
The soft body squirts if a baby squeezes it mid-feed
Who it’s forBabies who move between breast and bottle during the week. The NaturalWave nipple has a wide base and a gradual slope, with a flexible tip that stretches as the baby sucks. An air ventilation system in the nipple reduces air intake. The bottle has three pieces excluding the cap, for fast assembly and cleaning. This is the plastic version of the Lansinoh bottle.
Specifications
Capacity
8 oz, 3-pack
Bottle material
Polypropylene bottle with a silicone nipple; BPA and BPS free as listed
Nipple
Silicone NaturalWave, medium flow, Size M included
Other flows
Slow flow, Size S, and fast flow available separately
Anti-colic feature
Air ventilation system in the nipple
Cleaning
Dishwasher safe as listed
Pros
Gradual-slope nipple supports a wide latch
Three pieces excluding the cap
Baby-led flow from the flexible nipple tip
Cons
Medium flow can be fast for a newborn; Size S is a separate purchase
MAM Easy Start Anti-Colic Baby Bottle, 9 oz, 2-Pack
Model 5952-006-0-1 · ASIN B09H7NKY6N
Product image: Retailer product media.
Who it’s forParents who sterilize often, at home and away from home. The bottle self-sterilizes in the microwave in 3 minutes with 20 mL of water in the base. A vented base keeps air bubbles out of the milk, and the SkinSoft silicone nipple has a flat, elongated shape.
Specifications
Capacity
9 oz, 2-pack
Bottle material
Polypropylene; BPA free and BPS free as listed
Nipple
Silicone SkinSoft, medium flow included
Other flows
Extra slow, slow and fast flows available; the bottles work with all MAM nipple sizes
Anti-colic feature
Vented base
Cleaning
Dishwasher safe as listed; microwave self-sterilizing in 3 minutes as listed
Pros
Self-sterilizing with water and a microwave
Vented base design, with published field-study results from the maker
Removable base opens the bottle at both ends for cleaning
Chicco Duo Hybrid Baby Bottle, 5 oz, 2-Pack, Clear/Grey
ASIN B093TKLYBZ
Product image: Amazon product media.
Who it’s forParents who want milk to touch glass, in a bottle that stays light. Chicco bonds a micro-thin Invinci-Glass layer inside a plastic bottle, so the milk touches the glass layer and the outer layer keeps the bottle lightweight. Calibrations are laser etched. The Intui-Latch nipple has a skin-like texture and an anti-colic valve.
Specifications
Capacity
5 oz, 2-pack
Bottle material
Invinci-Glass inner layer with a plastic outer layer; BPA, BPS, PVC and phthalate free as listed
Nipple
Intui-Latch, Stage 1 slow flow (0m+) included
Other flows
Stage 2 medium flow available separately; a 9 oz size is also sold
Anti-colic feature
Anti-colic valve in the nipple
Cleaning
Dishwasher safe on the top rack as listed; bottle warmer and electric sterilizer safe as listed
Pros
Milk touches the glass layer during the feed
Light in the hand, with a break-resistant outer layer as listed
Who it’s forParents who set bottles down on counters and changing tables all day. The Flexy has a stable, non-tip base and a soft silicone body. The nipple carries triple vents and a non-collapsing design. BabyGearLab included the Flexy in its tested bottle lineup.
Specifications
Capacity
9 oz, 3-pack
Bottle material
Silicone as listed; BPA, PVC, lead and phthalate free as listed
Nipple
Silicone, triple-vented
Other flows
Slow, medium and fast flow replacement nipples available separately; check the pack listing for the flow included
Anti-colic feature
Triple vents in the nipple
Cleaning
Dishwasher safe as listed
Pros
Stable base resists tipping and spills
Non-collapsing nipple keeps the flow steady
Wide neck and few parts for cleaning
Cons
The 9 oz body is large for small hands
Nipples need careful seating to seal, per published reviews
Who it’s forBreastfed babies who need a slow, paced feed from a glass bottle. Evenflo developed the Balance + with pediatric feeding specialists. The sloped nipple gives the lips a resting place for a wide latch, and the one-piece integrated vent sits inside the nipple, so the parts count stays low.
Specifications
Capacity
6 oz, 3-pack
Bottle material
Glass with a silicone nipple as listed; BPA free as listed
Nipple
Sloped silicone, slow flow included
Other flows
Balance + wide-neck medium/fast nipples available separately
Anti-colic feature
One-piece integrated Proflo vent in the nipple
Cleaning
Dishwasher safe as listed
Pros
Sloped nipple shape supports a wide latch
Integrated vent adds no separate parts
Tempered glass, listed as thermal shock resistant
Cons
Glass Balance + comes in one size, 6 oz
Some parents report the soft nipple collapsing during feeds, in retailer reviews
Who it’s forParents stocking a full set of bottles on a budget. The silicone nipple flexes and stretches during the feed, with an anti-colic valve at its base. Tommee Tippee lists the bottle as leakproof with the ring, nipple and cap secured, and the bottle self-sterilizes in the microwave in 3 minutes.
Specifications
Capacity
9 oz, 2-pack
Bottle material
Polypropylene and silicone as listed; BPA free as listed
Nipple
Silicone, slow flow included
Other flows
Medium and fast flow nipples available separately
Anti-colic feature
Anti-colic valve in the nipple
Cleaning
Dishwasher safe as listed; microwave self-sterilizing in 3 minutes as listed
Pros
Lowest price per bottle in this group
Self-sterilizing in the microwave
Soft nipple flex supports pace feeding
Cons
The nipple is firmer than the Comotomo and Lansinoh nipples, in BabyGearLab pinch testing
Slow flow is outgrown; faster nipples are a separate purchase
Match the bottle to the flow your baby handles today and the cleaning routine you can keep up at night.
Nipple flow
Newborns start on slow flow. Each review above states the flow in the pack and the flows sold separately for that bottle. A flow that runs too fast shows up as leaking at the corners of the mouth and gulping. A flow that runs too slow shows up as long, frustrated feeds. Age labels are a guide; feeding cues decide the change.
Material
Glass bottles are heavy and clean up well, and glass appears in the Philips Avent and Evenflo picks. Silicone bottles are soft and light, in the Comotomo and Nanobebe picks. Plastic bottles are light and low priced, in the Dr. Brown’s, Lansinoh, MAM and Tommee Tippee picks. The Chicco Duo places a glass layer inside a plastic body. BPA-free claims are stated in each review as the manufacturer lists them.
Parts and cleaning
Count the parts before you commit to a full set. The Dr. Brown’s vent system and the MAM vented base add pieces to every wash. The Lansinoh bottle has three pieces excluding the cap, and the Evenflo vent is built into the nipple. Dishwasher and sterilizer guidance is stated in each review as the listing gives it.
Specifications are based on published manufacturer and retailer information for the listed models. Check the current product listing for package contents, included nipple flow and compatibility before ordering. Recall status was checked against the CPSC recall database in October 2026.
