DSP dual-backed chair will chair parted in the middle, the flexibility to rotate back two-dimensional S-shaped like a tulip petal, based on your body type, including holding back. When you sat on it, whether you are a former Yang, backward or left and right side against the seat back can be close to your back, so they can effectively correct bad posture and avoid dispersing body pressure due to sedentary backache caused by the Back Pain

 

All materials are odorless, gas, higher security