CamelBak Big Bite Valve
The Big Bite Valve Mouthpiece delivers hands-free hydration and is ideal for high-performance situations. It has the same feel and simplicity as the original Bite Valve with more than double the flow. Fits any standard CamelBak 3/8-inch (10mm) delivery tube. Medical-grade silicone is soft on your teeth, sanitary and easy to clean. Works in hot and cold temperatures.