Come and Check Our Branding Solutions.20-ounce capacity shaker cups for mixing protein shakes, smoothies, and supplements. The patented mixing system uses 316 surgical-grade stainless steel ball. Ball wire whisks are found only in Bottle brand shaker bottles. Screw-on lid creates a leak-proof seal, and the flip cap snaps securely shut to keep contents contained; the loop top is for easy carrying or attaching keys. A wide mouth makes it easy to add mixed scoops and liquids, and embossed markings measure both ounces and milliliters. BPA and phthalate-free, dishwasher safe. Pls check inventory and detailed info before placing your orders.