Big Bite Valve

The patented Big Bite™ Valve mouthpiece offers Hands-Free Hydration™ and is ideal for any high-performance situation. Easy to use - just bite and sip. It self-seals after each drink to eliminate drips.

• One-piece silicone design includes no moving parts to break
• Big Bite™ Valve self-seals after each drink to eliminate annoying drips