This shaker ball was Made of 304 Stainless steel, durable and healthy and easy to use ,especially for Baby Bottles.
This shaker ball ensure nutrition dissolve more totally and quickly,Fits into Kids Nutrition Shake Bottles.
Suitable for most of bottles with cover(also for Baby Bottles) Put the stainless cylinder into the bottle and cover, then shake it uniformly.
Easy to Use & Clean: Just drop a mixing ball into your bottle and shake it uniformly to dissolve your drink more totally, and simply rinse with water to keep it clean after use.
Dimension: Package included: 6 Pcs Formula Whisk Balls
