Keep hydrated.Stay hydrated and keep pedaling with the Fox Head Base Water Bottle. It features a hands-free valve for easy on the bike refueling - so you don\'t even need to pull over. The 100% leak-proof design ensures the water is for drinking only, not dirtying up your front derailleur or crankset.Key Features: Simple hands-free open and close valve,?100% leak-proof top locks down for transport or mixing powdered drink,?BPA-free plastic made from 100% FDA food-grade materials,?22oz capacity,?LDPE.