Specification: Premium material, breathable and elastic, comfortable to wear. Easily to wear it on your arm and elbow for protective function. Suitable for sprains, strains, dislocation shoulder, and arthritic pain. Ideal for the healing and prevention of sporting injuries. Type: Arm Protective Sleeve Quantity: 1Pc Gender: Unisex Size: One Size Material: Nylon, Latex Silk, Spandex Features: Breathable, Elastic, Arm/Elbow Protective, Sports Supplies Size Details: [Our Size S] Upper Opening: 11cm/4.33", Below Opening: 9.5cm/3.74", Length: 22.5cm/8.86", Recommend Elbow Circumference: 20cm - 25cm/7.87" - 9.84" (Approx.) [Our Size M] Upper Opening: 12cm/4.72", Below Opening: 10.5cm/4.13", Length: 22.5cm/8.86", Recommend Elbow Circumference: 25cm - 30cm/9.84" - 11.81" (Approx.) [Our Size L] Upper Opening: 13cm/5.12", Below Opening: 11.5cm/4.53", Length: 22.5cm/8.86", Recommend Elbow Circumference: 30cm - 35cm/11.81" - 13.78" (Approx.) Notes: Due to the light and screen setting difference, the item's colour may be slightly different from the pictures. Please allow slight dimension differences due to different manual measurements. Package Includes: 1 x Arm Protective Sleeve