INNOVATION. SUCK ON THAT. It's the best thing to happen to feeding since nipples. The revolutionary air-free feeding design of our NURSH Silicone Pouch Bottle features a 100% 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, and frozen.