Why do bottles come in glass and PPSU? How to choose?

Both designs are identical, but glass heats milk faster while PPSU is lighter and nearly unbreakable – both are safer with heat than regular plastic bottles.

Why does milk leak when my baby sucks?

Warm liquid can build up pressure inside the bottle, ausing mik to flow through the nipple even without sucking. If this happens, unscrew the cap to release

What’s borosilicate glass? Is it better?

It’s extra-tough glass that handles sudden temperature changes better than everyday glass, so it’s less likely to crack.

What’s the warming base pad for?

It seals the bottle base during warming to prevent leaks – just remember to remove it before feeding your baby.

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Thyseed Anti-Colic Glass Baby Bottle for Breastfed Infants, Natural Feeding, Breast-Like Newborn Medium Fast Flow Nipple (3m+), 8 oz, 1 Pack

Product ID: 735669999

Details

Bottle Nipple Type
Vented
Brand
thyseed
Color
3+ Months (8
Item Weight
0.24 kg
Material Type Free
BPA Free

🍼8 oz premium borosilicate glass

💧Medium fast, multi-hole nipple flow

🌬️Clinically proven anti-colic vent

52598CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🍼 Feed smarter, not harder — the bottle every breastfeeding mom wishes she had!

CLINICALLY PROVEN CALM - Anti-colic base vent reduces bubbles & gas for peaceful feeds
DURABLE SAFE MATERIALS - BPA-free glass & premium silicone for toxin-free, odorless feeding
BREAST LIKE NATURAL LATCH - Wide, soft silicone nipple mimics breastfeeding for seamless transition
EFFORTLESS CLEANING USE - Simplified 3-part design with wide neck, dishwasher-safe for busy parents
FLOW THAT RESPECTS BABYS RHYTHM - Multiple micro-openings ensure paced, frustration-free feeding

The Thyseed Anti-Colic Glass Baby Bottle is expertly engineered with a clinically studied vent system to reduce colic and gas, featuring a breast-like, ultra-soft silicone nipple with multiple micro-openings for a natural, paced feeding experience. Crafted from premium borosilicate glass and BPA-free materials, it offers durability, safety, and easy cleaning with a minimalist 3-part design—perfect for breastfed infants transitioning to bottle feeding while ensuring calmer, more comfortable feeds.

Specifications

ASIN	B0F5BBZSFR
Age Range Description	Newborn
Best Sellers Rank	#706 in Baby ( See Top 100 in Baby ) #20 in Baby Bottles
Bottle Nipple Type	Vented
Bottle Type	Anti-Colic Bottle
Brand	thyseed
Capacity	8 ounces
Color	3+ Months (8 Ounce)
Customer Reviews	4.5 4.5 out of 5 stars (733)
Item Weight	0.24 kg
Liquid Flow Speed	Variable Flow
Manufacturer	thyseed
Material Type Free	BPA Free
Number of Items	1
Unit Count	1 Count

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