3 PCS Stainless Steel Bottle Mixer Ball, protein shaker ball Mixing Ball Protein Mixer Sport Fitness Shaker Protein Shaker Bottle Cup Wire Whisk For Drink Bottle Shaker Cup Material: Whisk ball is made of food grade 304 stainless steel,durable and healthy, safe and non-toxic, food grade and no rust. Easy to clean: Our stirring ball is easy to clean, Please wash them with water for the first time use. Then put shaker balls into a bottle with cover and shake gently for a minute to get smooth, silky, lump-free drinks. Function: It can shake the milkshake in a short time, dissolve and foam and express the taste of the drink, also a useful tool in the kitchen,can be mixing sauces. Wide Application: The mixer ball can be protein powders,amino acid powders,electrolyte powder,instant coffee powders applied to mixed juice mixed protein powder, milkshakes, whisky, juices and other drinks, great for gym, home, cafe, or bar. After Sales Service: If there is any problem with protein shaker ball, pls feel free to contact us. We will resolve your any question or problem into 24 hours, Your full satisfaction is our greatest pleasure! See moreAfter Sales Service: If there is any problem with protein shaker ball, pls feel free to contact us. We will resolve your any question or problem into 24 hours, Your full satisfaction is our greatest pleasure!. Wide Application: The mixer ball can be protein powders,amino acid powders,electrolyte powder,instant coffee powders applied to mixed juice mixed protein powder, milkshakes, whisky, juices and other drinks, great for gym, home, cafe, or bar. Function: It can shake the milkshake in a short time, dissolve and foam and express the taste of the drink, also a useful tool in the kitchen,can be mixing sauces. Easy to clean: Our stirring ball is easy to clean, Please wash them with water for the first time use. Then put shaker balls into a bottle with cover and shake gently for a minute to get smooth, silky, lump-free drinks. Material: Whisk ball is made of food grade 304 stainless steel,durable and healthy, safe and non-toxic, food grade and no rust.