Orthopedic Seat Cushion * Wedge shape tilts low back into proper S-shaped posture; relieves tailbone pressure with U-shaped cutaway * 100-percent polyurethane memory foam cushion; removable 2-sided cover with micro-suede side and faux leather side * Built-in handle for transportation ease; great for office, bleachers, car, planes, and more * Measures 12 inches wide by 10 inches deep by 4 inches high and weighs 2 pounds