This set has the essentials to help you. The Playtex VentAire Advanced Wide bottles feature the micro channel vent technology that helps prevent mixing air from mixing with milk, and the Natural Shape Wide nipple that is shaped like the breast with a wide raised, textured area that helps baby latch on for easier breast bottle transition. Plus the angled bottle supports the semi upright feeding position that helps prevent ear infections. Includes: 5 VentAire advanced wide bottles (3 6 ounce . and 2 9 ounce .). Extra nipples (both slow and fast flow), extra bottle caps, extra vent disks. A clinical study confirms that babies using new Playtex VentAire Advanced bottles had less gas, spit up, colic and other discomforts than with other leading bottles. BPA Free. The Playtex Baby VentAire Complete Tummy Comfort Gift Set is the PERFECT REGISTRY ITEM for any new mom. The VentAire is UNIQUELY DESIGNED TO REDUCE COLIC, GAS AND SPIT-UP through a bottom venting system that helps reduce air ingestion. The angled bottle design PROMOTES A SEMI-UPRIGHT FEEDING POSITION, recommended by pediatricians to help prevent ear infections. The VentAire Gift Set includes everything you need to meet your baby's growing needs: three 6 ounce VentAire bottles, two 9 ounce VentAire bottles, one NautraLatch Slow Flow Nipple, one NautraLatch Medium Flow Nipple and two replacement Vent Disks. Always BPA FREE.