It's the ideal bottle for when you're worried about colic; your baby's comfort is your number one priority. That's why we've combined our nipple-shaped teat with the latest in anti-colic innovation to create the Advanced Anti-Colic Bottle. Its unique three-piece anti-colic technology extracts air from the milk, and the star valve prevents milk from traveling down the tube, which means 80% less gas, spit-up, and discomfort. And 100% more smiles. Plus, its built-in heat-sensitive straw gives you extra reassurance that your milk will be at the right temperature, so you can feed your baby comfortably. Designed to reduce colic symptoms to reduce gas, spit-up, and discomfort. Its unique three-piece anti-colic straw extracts air from the milk. The star valve prevents milk from traveling down the tube, so you can guarantee zero leaks. Its heat-sensitive technology turns the straw pink if the feed is too hot. Award-winning breast-like nipple for a natural latch and guaranteed acceptance. For your complete peace of mind, our products are BPA and phthalate-free. Advanced Anti-Colic bottles are only compatible with Advanced Anti-Colic teats. Bottles are available in a wide range of capacities, sizes, colors, and decorations.