1、Skin-friendly materials: The wristband is made of high abrasion-resistant fabric and protective nylon thread cloth, which can prevent the skin from being squeezed and provide a comfortable fit. This fabric has a high elasticity and can be adapted to a wider range of wrist sizes. Designed with holes, breathable, no sweat in summer. 2、Ergonomic design: This wrist brace has 2 aluminum brackets, which is very suitable for the wrist and provides strength support and protection. They can be freely removed or inserted according to your needs to select different clamping forces. 3、Adjustable: 2 adjustable belts, with 360 ° reverse hook and loop fastener, adjustable size to provide comfortable compressed power and stability, making it firm, stable and reliable. 4、A variety of choices: This wrist splint has two hand-shaped directions to choose from, suitable for all men and women. To determine the correct size, measure the circumference of your wrist. It is important to choose the right wristband for good results. 5、Multi-function: This wristband is suitable for carpal tunnel syndrome, tendonitis, sprain and carotid arthritis tendonitis, to prevent injuries caused by excessive use of the wrist, and the rehabilitation of wrist injuries. Material: Rehabilitation fabric with aluminum plate Size: S (hand circumference 13-16cm) M (hand circumference 16-19cm) L (hand circumference 19cm or more) Function: wristband 10cm≈ 3.94inch