Designed to provide hassle-free, spill-free hydration. Revolutionary valve eliminates the "bite-open, hip-slap shut" ritual of drinking on the go. 21oz or 24 oz. Available in Clear/black, Clear/blue, Clear/red, Clear/pink, Blue/silver or Red/silver. Features:

• Valve lets you sip from any direction, or squirt to cool off Self-sealing medical grade silicone valve means no energy drink on your jersey or frame.
• The vlave allows for a high flow rate with squeezable sides and Leak-proof positive shut-off at valve for transport.
• Bottle formulation lets you taste your beverage instead of your bottle.
• 21oz or 24oz sizes avaialble in an array of colors.