5 Pack Formula Mixers,Milkshake Protein Shaker Ball For Small Bottle,Food Grade Stainless Steel Wire Mixer Mixing Ball

1.Material:Made of food grade 304 Stainless steel, durable and healthy
2.Uses:With shaking bottle/cup, makes formula or your nutrition dissolve more totally and quickly
3. 1-1/5-Inch (30mm) diameter - fits most formula bottles and small shaker
4.Easy to clean.How great to have a bunch of these to put in multiple cups to mix my drinks.
5.Note:this is for formula or small-bore nutrition shaker.Use 3 or more for your bigger shaker if you like