[Portable & Shareable] Two massage balls, one blue black, It is easy to carry and can be shared and used with family and friends at the same time. [Premium & Safe] The massage ball is made of natural rubber with a slight rubber smell, safe and environmentally friendly, without pollution, so you can use it with . [Simple & Effective] The massage ball is easy to use. Rolling or pressing back and forth on the sore points of the body can stimulate blood circulation, help relieve soreness and soothe the body. [Multi- & Multi-scene] The massage ball can be used to massage the neck, shoulders, back, and foot, and can also be used to exercise and after exercise. It is also a good in office. Colour: blue+black Material: rubber Size: 63.5mm diameter Package Contents: 2 x massage ball Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.