Made of Stainless steel, durable and healthy.
With shaker bottle/cup, makes your nutrition dissolve more totally and quicky.
Makes your drink uniformly and taste more good.
Suitable for most of bottles with cover
Put the stainless ball into the bottle and cover, then shake it uniformly
Features & details:
Material: Stainless Steel
Color: As the picture show
5Pcs x blender ball
you can track your packages after an order has shipped.