DESCRIPTION:
Easy to use - just bite and sip. The patented Big Bite Valve mouthpiece offers Hands-Free Hydration and is ideal for any high-performance situations. Self-seals after each drink to eliminate annoying drips.
FEATURES:
One-piece silicone design includes no moving parts to break
Big Bite Valve self-seals after each drink to eliminate annoying drips
MATERIAL: Medical Grade Silicone
