The Philips Avent Anti-Colic Bottle without Air Free Vent SCF810/61 is designed to provide a comfortable feeding experience for your baby while reducing gas and colic symptoms. This 125ml bottle features an anti-colic valve that flexes to allow air into the bottle, preventing vacuum build-up and reducing air ingestion. The unique venting system draws air away from the milk, ensuring that your baby swallows milk and not air, helping to reduce gas, spit-up, and burping. The bottle is made from BPA-free materials and is easy to clean and assemble. The ergonomic shape makes it easy to hold and feed your baby, promoting a comfortable feeding experience for both you and your little one.