The innovative Philips Avent Anti-Colic Bottles with Insert promote healthy, comfortable feeding for your baby. Designed to reduce common feeding issues, these bottles feature AirFree vents to eliminate air bottles for easier upright feeding.3-pack of wide-neck anti-colic bottles. BPA free. Polypropylene. 11 fl. oz. capacity. Recommended for babies 0-6 months old. Promotes the healthier, comfortable feeding for your baby. Reduce most common feeding issues, including colic, gas, and reflux. Unique AirFree vent keeps the nipple full of milk, not air, as baby feeds in a range of positions for easier upright feeding. Features a valve that reduces vacuum buildup, and reducing air into your baby's tummy. We recommend using the Philips Avent Anti-colic baby bottle with Philips Avent Anti-colic bottle nipples (sold separately). Dishwasher safe. Measures 2.4" L x 2.4" W x 7.2" H. Imported.