Item Type: Shoulder Brace_x000D_ Material: Composite fabric, aluminum strip_x000D_ Size of S: Approx.31 x 22cm / 12.2 x 8.7in_x000D_ Size of M: Approx.34 x 23cm / 13.4 x 9.1in_x000D_ Size of L: Approx.36 x 25cm / 14.2 x 9.8in 1、Specially designed to provide excellent arm support and fixation and relieve the pain of arthritis. 2、Wide range of uses, suitable for upper arm fractures, humeral fractures, wrist fractures, wrist sprains, etc. 3、With adjustable shoulder straps, you can easily adjust the length and elasticity of the shoulder straps. 4、Made of high?quality composite fabric, breathable and comfortable, even if you wear it for a long time, you will not feel discomfort. 5、Using hook and loop fasteners, which makes it easy for you to put on and take off.1 x_x000D_ _x000D_ Shoulder BracePlease allow 1?2cm error due to manual measurement. Thanks for your understanding.