Philips Avent Anti-Colic Bottle with Air-Free Vent, Blue, 4oz - 3 Pack Mattresses Material: 100% polyester pants

Material: 100% polyester pants

just like breastfeeding

Full-zip design allows for easier layering

-Attached hood with super soft velvet trim

Philips Avent Anti-Colic Bottle with Air-Free Vent, Blue, 4oz - 3 Pack Mattresses Material: 100% polyester pantsOur unique AirFree vent is designed to help your baby swallow less air as they drink by keeping the nipple full of milk during feeding. Reducing the amount of air your baby ingests helps w common feeding issues such as colic, reflux & gas. Helps baby swallow less air with AirFree vent Nipple stays full of milk, not air Valve in the nipple prevents vacuum build up Nipple shape designed for a secure latch Use your bottle with or without the AirFree vent