With its high flow rate, squeeze design, and lock out nozzle, the ALPS Water Bottle is the perfect choice to keep you hydrated on the trail. The easy-to-open MoFlo cap is convenient to use on the fly and leak-proof when closed. Simple hands-free open and close valve: nothing to turn. The ALPS Water Bottle is made from 100% Polypropylene (PP) and offers a capacity of 24oz. / 650ml.