Hemlock round stick Sauna backrest 42506751The back of the sweat steaming room Thisbackrest basically is for sauna room special backrest, but also can be put on sofa form a complete set to use. Backrest can better let the human body to maintain a more correct sitting posture, the human body in normal life need to naturally bend over or sit straight waist, these two kinds of circumstances will make the muscles and ligaments around the lumbar spine tension, sitting for a long time easy to cause