Features: Good support and comfort for wrist and thumb injuries, tendinitis, joint strains- and sprains, basal- joint arthritis-, advanced carpal tunnel syndrome and cumulative trauma disorders of the thumb and wrist. Built-in safe material PP-, breathable, good stability, aging resistance, heat resistance, high- elasticity, and no deformation after compression. This thumb rest is designed with soft materials, has good elasticity, is skin-friendly, does not tighten the wrist, and makes the movement of the wrist more comfortable and relaxing. Will not restrict the use of thumb or wrist; two sizes (SM-/XL) are available. Slim- and individual -design, easy to wear, effectively protect the wrist and thumb. Specifications: Material: 40% Nylon 45% Polyester 15%- Diving Material Hand Circumference: Approx.22cm/8.66inch Type: Left Hand, Right Hand(optional) Size: SM-, XL(optional) Color: Complexion, Black-color, Gray(optional) Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Thumb Wrist Brace