Features a polycarbonate C-shaped frame that promotes correct spinal alignment and proper posture; guaranteed for life. Includes a removable and adjustable lumbar pad that provides additional support to your lower back by filling in your lumbar curve. Portable and lightweight, turns any chair into an ergonomic seating system; use it in your home, office, vehicle, or anywhere else you sit. Polyurethane foam protects the frame. Brushed nylon cover can be removed and sponge washed. Limited warranty against manufacturer’s defects. Includes elastic strap and easy carry handle.