specification: Item Type: Elbow Brace_x000D__x000D_Material: Blending Material _x000D__x000D_Size Elbow Circumference_x000D_S19-23cm / 7.5-9.1in_x000D_M23-27cm / 9.1-10.6in_x000D_L27-30cm / 10.6-11.8in_x000D_XL30-33cm / 11.8-13in_x000D_XXL33-36cm / 13-14.2in Features: 1Decompression design and scientific pressure ratio to promote blood circulation and relieve muscle pain. 2Comfortable and breathable fabric is light and thin, close?fitting to skin, absorbing moisture and caring for elbows. 3Relieves your elbow pain and improve blood circulation, relieving tendinitis, joint inflammation and other elbow pain symptoms. 4Can eliminate swelling and prevent injury, ensure the movement function of muscle and reduce injury. 5Close to the joint and muscle structure, comfortable and breathable, and strengthen the supporting effect. PackageList: 2 x Elbow Brace