Philips Avent Anti-Colic Baby Bottle with AirFree Vent Beginner Gift SetThis set is a perfect start to feeding and soothing a newborn. It includes the Philips Avent Anti colic with AirFree vent bottles, which are designed to reduce feeding issues: such as colic, gas, and reflux. The unique AirFree vent is designed to draw air away from the nipple keeping it full of milk to avoid air ingestion. This vent also keeps the nipple full of milk even when the bottle is held horizontal, allowing for upright feeding. Feeding in an