Stay hydrated and keep pedaling with the Fox Head Base Water Bottle - 22 oz. The easy-to-open MoFlo cap is effortless to use on the fly and leak-proof when closed. A must-have for easy on the bike refueling - you don't even need to stop riding to take a drink. Specifications MoFlo cap 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 Printed with non-solvent base (UV cured), CPSC-approved ink 22 oz capacity FOX P/N: 31510-001-OS