We're Here To Help! e-mail: questions@lifewithease.com We'll Respond Quickly! Obusforme Lowback Backrest Support: Drive Or Work In Comfort!      Helps to prevent and relieve back pain. Patented polycarbonate S-shaped frame conforms and supports, laterally and horizontally, the natural contours of the back. This promotes proper posture and correct spinal alignment. Portable and light weight, the Lowback Support turns any chair into an ergonomic seating system. For use in the office, car, at the theatre, sports events, or anywhere. Includes a patented, removable and adjustable lumbar pad. Three layers of polyurethane foam surround the frame. The non-allergenic, brushed nylon cover cand be removed and hand washed. The patented frame comes with a lifetime warranty. The only backrests ever endorsed by the American Chiropractic Association. Measures: 21"H x 18"W x 5.5"D