The Tommee Tippee Advanced Anti-Colic Bottle is an award-winning breast-like teat styled bottle, which guarantees acceptance. It is specially designed to help reduce air bubbles in the milk and to encourage a good latch-on at the teat to help 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 award-winning teat mimics a mum's breast so your baby can latch on and feed easily 3-way, easy-hold bottle with slow-flow 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 2-Pack