Gym shaker cup with upgrades, including a rounded base, SpoutGuard, and modern design

Patented mixing system uses 316 surgical-grade stainless steel BlenderBall wire whisk for mixing protein shakes, smoothies, and supplements

Wide mouth makes it easy to add mix scoops and liquids, and embossed markings measure both ounces and milliliters; rounded base for thorough mixing Easy to Self

The screw-on lid creates a leak-proof seal, and secure flip cap with SpoutGuard keeps germs at bay; wide loop top for easy carrying or attaching keys

BPA- and phthalate-free; top-rack dishwasher safe; Included components: Shaker Bottle, BlenderBall