Medical Grade - The sole wristband is medical grade resprene neoprene. It provides stability, durability and increased comfort during recovery. It has an adjustable aluminum cleat. Uses - For the treatment of carpal tunnel, traumatic rheumatism or arthritis pain, wrist trauma, sterile necrosis, fractures, surgical recovery or therapy physical. Ideal when the thumb, palmar or metacarpophalangeal joints need to be stabilized with the wrist. PRACTICAL AND ADJUSTABLE - The strap of the sole is adjustable. Suitable for wrist circumference 12-25cm, thumb circumference 4-9.5cm. The open-hand design allows users to use their fingers and hands during recovery. The splint should be properly tightened to limit extension and flexion of the handle while applying minimal pressure to the forearm. DURABLE - Sole wristbands are designed for repetitive use, prolonged, all day and every day. You can use the splint at night while you work or sleep or even during a workout or workout. See product details for cleaning instructions. Universal - Wrist rest can be used for both right and left hand. Choose the hand that suits your needs when ordering. Splints are available for men and women, boys, girls, adults, children and the elderly.