The BlenderBottle® Classic V2 28 oz shaker is built to mix smooth shakes, supplements, or hydration drinks with ease. Made from BPA-free plastic with a single wall design, it features a threaded lid with a secure snap closure, a built-in carrying handle, and an inner rounded bottom to reduce clumps. The included BlenderBall® wire whisk ensures smooth, consistent mixing. Perfect for cold beverages at the gym, at home, or on the go. · 28 oz · BPA-free plastic · single wall · threaded lid with carrying handle · snap closure · inner rounded bottom · shaker ball included · for cold beverages