20oz capacity shaker cups for mixing protein shakes, smoothies, and supplements. Screw-on lid creates leak-proof seal, and flip cap snaps securely shut to keep contents contained; loop top for easy carrying. Wide mouth makes it easy to add mix scoops and liquids, and embossed markings measure both ounces and milliliters. Includes a shaker bottle; BPA and phthalate-free, dishwasher safe. 600ml capacity.