Protect your baby against digestion issues while giving him a nutritious feed with Avent Anti-Colic With AirFree Vent Feeding Bottle, SCF813/24. Its Unique AirFree technology ensures that only milk enters into baby's body without letting any air pass through. It is made to reduce digestion problems in newborn babies. It protects baby against gas, spit-ups, and burping disorders and provides with comfortable feeding. It is made with BPA-free, non-harmful material having variable nipple sizes to give appropriate flow rate. This is a pack of 2 bottles, each is easy to clean and leak-proof, which allows you to carry them around without having any mess.