The Ergonomic Seat Cushion is scientifically contoured to cradle your thighs & hip and help you sit upright on any chair.Soft hip and thigh cushioning turns any chair into your personal throne. No more back pains or legs falling asleep!Take the weight off your tailbone and lower back during long marathon sitting hours, causing discomfort and pain. Ergonomic contours encourage proper posture and a straight spine, redistributing your lower body weight for comfort even during long hours of sitting. Great for sitting and working for long, or wheelchair usage.