Purist infusion shields the bottle from odor, stains, and mold MoFlo cap Simple hands-free open and close valve: nothing to turn 100% leak-proof top locks down for transport or mixing powdered drink. - Made from easy-to-squeeze, LDPE material - Clear viewing strip makes it easy to see content - BPA-free plastic 100% FDA food-grade materials printed with non-solvent base - 22oz capacity