The Playtex VentAire Anti-Reflux Anti-Colic Bottle is a brand new set of 3 bottles with a capacity of 9 oz each. Designed for infants 3 months and up, these bottles feature a wide neck and angled design for easy feeding. The bottles are made of shatterproof silicone material and are dishwasher safe for convenience. With a naturalatch comfort nipple that mimics the texture of mom's breast, these bottles are known for reducing colic and reflux issues in infants. The bottles also come in a clear color and have a fast, slow, and medium flow rate for customizable feeding options.