Nurture your baby with the Philips Avent 4oz. bottle set. This three-pack features a clinically proven anti-colic valve that prevents air from entering your baby's tummy for a comfortable feed. Ribbed texture of the nipple does not collapse, ensuring a smooth milk flow. Made from BPA-free polypropylene, these bottles are safe for use. | Philips Avent Anti-Colic 4 oz. Baby Bottle Set - 3 Pack