It is the ideal bottle for when you are worried about colic, the comfort of your baby is your number one priority. That's why we've combined our nipple-shaped nipple with the latest in anti-colic innovation to create the advanced anti-colic bottle. Its unique three-piece anti-colic technology draws air out of the milk and the star valve prevents milk from moving through the tube, resulting in 80% less gas, vomiting and discomfort. And 100% more smiles. In addition, its built-in heat-sensitive straw offers you an additional guarantee that the milk will be at the right temperature, so you can feed your baby comfortably. Designed to decrease colic symptoms to reduce gas, vomiting and discomfort. Its unique 3-piece anti-colic straw draws air out of the milk. The star valve prevents the milk from moving through the tube, so we guarantee zero leakage. Its heat sensitive technology makes the straw turn pink if the food is too hot. Award-winning breast-like nipple for natural grip and guaranteed acceptance. For your complete peace of mind, our products do not contain BPA or phthalates. Advanced anti-colic bottles are only compatible with advanced anti-colic nipples. The bottles are available in a wide range of capacities, sizes, colors and decorations