Made of hign-grade elastic fabric with high-back design, fivehigh-elasticity sheet steels are upright side by side, which can efficiently strengthen the supporting effect towaist andback, also disperse the weight of trunk to reduce the burden of lumbar muscle and back, release fatigue.

Two cusions can be chosen at will. One is built-in permanent magnet, which can stimulate the main and collateral channels of waist and relax the pain of waist. The other is built-in natural bamboo charcoal, which can resist radiation indoors and outdoors, absorb harmful gas, disinfect, prevent moisture and keep warm.