1).Bamboo charcoal fiber,which is heated through high temperature,can release far-infrared ray.

The far-infrared ray can promote blood circulation and metabolism,keep the body warm.

2).Heated through high temperature, the bamboo charcoal has a high compactness with thousands upon thousands of pores which contribute to the strong capacity of adsorption.

3).The bottom material is natural rubber, which is good at anti-slip.