The Big Bite Valve mouthpiece provides hands-free hydration and is essential in any high-performance situation whether it be a workout or a competition. It's made of a durable, medical-grade silicone that stays pliable in extreme temperatures. So easy to use- just bite and sip. The valve self-seals after each drink to stop those irritating drips and spills.
- One-piece silicon bit valve
- Self-seals after each sip to eliminate drips
- Material: Medical-grade silicone
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