Stay hydrated and keep pedaling with the Fox Base Water Bottle. It features a Moflo cap for easy refueling on the bike - so you don't even have to stop. The 100% leak-proof design ensures water is only for drinking, without dirtying your front derailleur or crankset. Moflo cap. Simple, hands-free open-and-close valve. 100% leak-proof top locks for carrying or powdered drink mix. BPA-free plastic made from 100% FDA food-grade materials. Printed with a solvent-free base (UV cured). CPSC-approved ink. 20-ounce capacity.