Fits 39 to 50-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. Features: Back panel evenly delivers firm support. Breathable, latex-free materials won’t irritate skin. Comfort Cushions target sore, aching muscles. Adjustable cinch straps for custom level of support. Comfort Cushions Target Aching Muscles: Provides soft, gentle pressure. Positioned for comfort of the spine. Ventilation holes help release excess heat and moisture. Designed to Fit Comfortably Around the Waist: Rear panel is wider for broad support and coverage. Tapered straps are less bulky along the stomach. Size Chart: Small – Medium: 29-39 inches. Large – X-Large: 39 – 50-inches. If you cannot find your size, please ask for assistance.