New, lightweight valve self seals after each sip and can be opened and locked with one hand to prevent leaks when not in use. A dust cover protects the silicone valve from outside elements.

Features:

• High-flow valve delivers water when you need it most
• Self-seals after each sip and can be open and closed during activity with one hand.
• Dust Cover protects silicone bite valve from collecting dirt
• Universal 6mm diameter fitting
• Safe and Reliable 100% BPA and PVC Free

Specifications:

• Weight: 10g
• Diameter: 6mm
• Materials: PP/POM, Silicone