Features： 1、Effectively fix fractures and sprains and restore the normal function of the thumb. 2、The inner layer is is soft, comfortable and breathable, suitable for long-term wear without sultry heat. 3、The built-in aluminum alloy plate can strengthen the support ability of the thumb tendon during exercise. 4、Conform to ergonomic design, the wrist brace fit with your wrist and thumb. 5、The triple hook and loop pressure design is easy to adjust and does not loosen. Specification： Item Type: Wrist Support Material: Breathable Cotton Color: Black Suitable for: Right Hand Optional Size: S, M, L SizeSML Total Length22cm / 8.7in23cm / 9.1in25cm / 9.8in Left Wide8.5cm / 3.3in8.5cm / 3.3in8.5cm / 3.3in Right Wide4cm / 1.6in4cm / 1.6in4cm / 1.6in Single Layer Thickness0.5cm / 0.2in0.5cm / 0.2in0.5cm / 0.2in Steel Plate Length15.6cm / 6.1in17.3cm / 6.8in19.6cm / 7.7in Steel Plate Width1.3cm / 0.5in1.3cm / 0.5in1.3cm / 0.5in Steel Plate Thickness0.2cm / 0.1in0.2cm / 0.1in0.2cm / 0.1in Package List： 1 x Wrist Support