Made of insulated stainless steel to keep your colds cold and your hots hot. Built to last, the stainless steel nature is durable, and keeps the flavor of your water pure. The Beast Hydration Bottle was specially designed for an easy experience: the vessel features a wide opening for easy fill of your liquids, ice, and even your Beast blends to take with you on the go. With a 22 oz. capacity, the Stainless Steel Hydration Bottle is the perfect size for your daily essential hydration.