product description1. Convenient to addWide mouth makes this Shaker Bottle easy to add mix scoops and liquids, and embossed markings measure both ounces and milliliters.You will receive shaker cups to start your healthy life anytime, anywhere. NaSUMTUO2.Healthy materialBPA and phthalate-free, dishwasher safe; ABS food grade plastic material3.Stainless Steel Shaker BallEach one of these shaker bottles for protein mixes comes with a stainless steel shaker ball, so there is no grit or lumps in your shake.4.Leak-Proof design Spiral cover creates leak-proof seal, prevent spills on your countertops and sinks rounded base for thorough mixing.Warm reminder, When you add protein powder or other powders that need to be stirred, the amount of water poured in should not be more than. If you put it in the stirring ball, you will experience overflow.5.Anti-slip cup bodyThere are anti-slip strips on both sides of the bottle to prevent inconvenience to hold the cup after sweatingThe cup body has a frosted texture, which is less likely to leave water stains and fingerprints.