Redefining the bike bottle for the serious cyclists. 1. Sip or Squir No more "bite-open, hip-slap shut" steps! Revolutionary valve lets you sip from any direction, or squirt to cool off on long rides. 2. No Sticky Frame Made of medical grade silicone, the self sealing valve eliminates splatter on your frame or jersey 3. High Flow Rate Squeezable sides for increased water flow and squirt-ability 4. leak proof Posotive shut off for leak proof transport at base of valve, turn bar 90 degrees to stop water flow 5. Better Taste Made from a proprietary blend of polypropylene with HydroGuard that lets you taste your beverage-not your bottle