1.DimensionPackage included: 5PCS Whisk Balls 2.Premium MaterialThese Shaker Balls are made of food grade 304 stainless steel.healthy odorless and never rust. So its a good Shaker Bottle Ball Replacement.Compatible with most sized cup or bottle allowing blend protein powders conveniently. 3.ConvenientThe blender ball can ensure nutrition dissolve more totally and quickly, you do not have to use a blender just drop a ball into your shaker cup 4.No More ClumpsIf you hate those protein or matcha lumps, then this steel blender ball is your perfect choice, ensure you to taste more smooth, silky, lump-free drink 5.ApplicationThe mixer ball can be applied to mixed juice mixed protein powder, milkshakes, whisky, juices and other drinks, great for gym, home, cafe, or bar, and simply rinse with water to keep it clean after use