The advantages of relieving pressure and protecting the waist with double back pads
Relieve your low back pain caused by bad seat, completely cover and protect your spine, correct your sitting position and guide your spine to show perfect curve
Correct your bad posture
Relieve spine back pain
Exclusive two-way ventilation design
Orthopedics \\ neurology \\ Obstetrics and gynecology doctors recommended sincerely
The elastic support design can cooperate with your body rotation to reduce the pressure of the waist by 60%

Ⅰ, emery cloth leaves high strength, good flexibility, not easy to fragment. 

Ⅱ, impeller balance degree is high, no strong vibration in high speed .

Ⅲ, appropriate adjustment of abrasive ingredients, sharp grinding, cut into the sex is good, suitable for surface polishing.

Ⅳ, impeller adopts high performance adhesives and adhesive technology, integral impeller is firm, can tolerate larger impact. 

Ⅴ, oxide layer on the surface of a hot rolling pipe outside the characteristics of high hardness of design and manufacture of special resin emery cloth used to make the impeller, thus to improve its durability by 20% & ndash; 30%