Boon Silicone Bottle Slow Flow Nipple, 3 Pieces, Clear

It's the best thing to happen to feeding since nipples. Nursh's revolutionary air-free feeding design features a silicone pouch that collapses as your little one drinks, squeezing out the nasty gas-inducing air that causes colic. No straws, vents or valves here so it's a snap to clean and assemble. The silicone can even be boiled, sterilized, microwaved and frozen. 100% silicone nipples