Made of Stainless steel, durable and healthy.
With shaker bottle/cup, makes your nutrition dissolve more totally and quickly.
Makes your drink mix uniformly, suitable for most bottles with cover
Put the stainless ball into the bottle and cover, then shake it uniformly.
The protein shake Stainless Steel ball is not easy to be rusted and is convenient to be washed.

Specification:
Material: Stainless steel.
Color: Silver.
Size: about5.2×4.5cm.

Note
There might be a bit color distortions due to different computer resolutions.
There might be a slight errors due to different hand measurement.

Package included:
1/3/5x Shaker ball.