Avent's unique AirFree Vent is designed to help your baby swallow less air as they drink bykeeping the nipple full of milk during feeding. Reducing the amount of air your babyingests helps with common feeding issues such as colic, reflux & gas.

Features:

• AirFree vent designed for less air ingestion 
• Nipple stays full of milk, not air 
• Helps baby swallow less air with AirFree vent 
• Easy to assemble, use - and clean! 
• AirFree vent is one piece, simple to use
• Nipple shape designed for a secure latch
• Clinically proven to reduce colic and fussing
• Valve in the nipple prevents vacuum build-up
• Use your bottle with or without the AirFree vent

Care Instructions:

• Dishwasher safe
• Microwave safe