The Tommee Tippee Advanced AntiColic Bottle is an awardwinning breastlike teat styled bottle, which guarantees acceptance. Specially designed to help reduce air bubbles in the milk and to encourage a good latchon at the teat, which helps reduce the risk of baby ingesting air during feeding. Product Features: The patented air vent sucks air through the wand to reduce air in your baby's milk. The awardwinning teat mimics a mum's breast so your baby can latch on and feed easily. 3way, easyhold bottle with slowflow teat for newborn babies. Always BPA free for your ultimate reassurance. The Advanced Comfort bottle collection is only compatible with Advanced Comfort teats due to the unique venting system.