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.

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.

Why does milk leak when my baby sucks?

Warm liquid can build up pressure inside the bottle, causing milk to flow through the nipple even without sucking. If this happens, unscrew the cap to release pressure, then tighten it before feeding to prevent fast flow, choking, or spills.

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Thyseed PPSU Anti-Colic Baby Bottle, Breast-Like Slow Flow Nipple for Breastfed Babies (1m+), 5 oz/160 mL, 1 Pack

Product ID: 693597991

Details

Bottle Nipple Type
Vented
Brand
thyseed
Color
PPSU (1+ (5
Item Weight
4.16 ounces
Material Type Free
BPA Free

🌿BPA/BPS free, safe materials

🍼5 oz/160 mL perfect feed size

🛡️Patented anti-colic base vent

$61.43

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🍼 Feed smarter, not harder — because your baby deserves the best latch and calm feeds!

BABY LED SLOW FLOW CONTROL - Milk flows only when baby sucks, minimizing choking and gulping risks
BREAST LIKE SOFT SILICONE NIPPLE - Supports natural latch, ideal for breastfed and combo feeding babies
LEAK RESISTANT SEALED NECK DESIGN - Fewer leak points for hassle-free, mess-free feeding
DURABLE LIGHTWEIGHT EASY TO CLEAN - PPSU plastic is drop-resistant, dishwasher and sterilizer safe
CLINICALLY TESTED ANTI COLIC BASE VENT - Reduces gas, spit-up, and fussiness for peaceful feeds

The Thyseed PPSU Anti-Colic Baby Bottle features a patented base vent to reduce colic symptoms by keeping air out of milk, a soft breast-like nipple designed for natural latch and combo feeding, and a slow flow system that responds only to baby’s suck. Made from durable, BPA/BPS-free PPSU plastic, it’s lightweight, leak-resistant, and easy to clean, making it the perfect choice for mindful parents seeking a seamless transition between breast and bottle.

Specifications

ASIN	B0DQD7YFLJ
Age Range Description	1+ Months
Best Sellers Rank	#2,481 in Baby ( See Top 100 in Baby ) #58 in Baby Bottles
Bottle Nipple Type	Vented
Bottle Type	Anti-Colic Bottle
Brand	thyseed
Capacity	240 ml
Color	PPSU (1+ Months (5 Ounce))
Customer Reviews	4.5 4.5 out of 5 stars (521)
Item Weight	4.16 ounces
Liquid Flow Speed	Slow Flow
Manufacturer	thyseed
Material Type Free	BPA Free
Number of Items	1
Unit Count	1 Count

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