17OZ 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 or attaching keys. Wide mouth makes it easy to add mix scoops and liquids, and embossed markings measure both ounces and milliliters. Includes two shaker bottles; BPA and phthalate-free, dishwasher safe. Welcome to customized your logo.