A baby with colic is no fun for anyone. Tommee Tippee Advanced Anti-Colic bottles are specially designed to prevent colic by reducing air bubbles in the milk and to encourage a good latch-on during feeding. Meaning 80 Percent fewer colic symptoms such as wind, reflux and fussing. And 100 Percent more smiles. This is no ordinary bottle. It works a little differently from regular bottles to help combat colic while ensuring a comfortable feeding experience for you and your baby. The unique anti-colic venting system draws air away from milk. Plus, Tommee Tippee venting tube comes with a built-in heat sensing strip that gives you extra reassurance that milk is not too hot for a comfortable feed. And the anti-colic teat flexes and stretches naturally to ensure a good latch.