The Waist Relax Mate Support is designed to make stretching your back easy, safe, affordable, and enjoyable. It is used to help relieve chronic back pain, correct postural imbalance, restore the natural curvature of the back and improve flexibility in shoulder and back muscles. Adjustable to 3 different levels, just fix it to the one that suits you the most, lay it on the floor for you to stretch, bed when you rest, or even put it on a chair when you're sitting for long hours! Simply use for 15minutes, twice a day for optimum results or you can use in chair at office ,vehicle for long hour. Made of very tough ABS plastic, the Waist Relax MateBack support features 3 different settings to fully stretch and relieve pain in the lower back.