Fits 29 to 39-inches. Comfort Cushions - Target aching muscles to help relieve pain. Designed to help support the lumbar region of the back. Breathable, non-irritating materials for all day comfort. Futuro offers a wide range of quality products to Support Your Active Life. Each and every product is designed for comfort and fit to help you enjoy your daily activities. Soft, durable, lightweight materials for comfort. Adjustable for customized fit and level of support. Sleek design is non-bulky, won't restrict movement. Easy to put on and take off.