Quality Material: Our protein mixer ball is made of food grade 304 stainless steel, please rest assured to use, durable and rust-free
This ball Ensure nutrition dissolve more totally and quickly.Suitable for most of bottles with cover, Put the stainless cylinder into the bottle and cover, then shake it uniformly
Widely Used: This shaker bottle ball is idea for mixing protein powder, juices, milkshakes, whisky and other drinks, great essentials for gym, home, cafe, or bar
Easy to Use: Just drop a mixing ball into the bottle and shake it uniformly to dissolve your drink, and simply rinse with water to keep it clean after use
Size: 1.96'' x 1.77'',Package included: 6 Pcs Whisk Balls