Premium Material: It's made of high-quality lycra+EVA+silicone materials, it's lightweight and durable to use Shock-Absorbed Protection: The EVA elbow pad offers targeted support and superior stability to help elbow relief and alleviate from collision and shock, preventing injuries and promote recovery Perfect Compression: It can provide proper compression that will provide comfortable and stable pressure on your elbows, fully wrapping and protecting your elbows without compromising your flexibility Anti-Slip Design: The silicone stripe of the brace inner wall can keep the brace in place and prevent from slipping Wide Application: Great for activities that need repetitive arm motions, like tennis, golf, baseball, volleyball, etc Size Chart: Size Length (cm) Upper Circumference (cm) Lower Circumference (cm) Suitable for Weight (kg) M 39 21-23 13-15 within 60 L 40 23-25 15-18 within 75 XL 41 24-27 18-20 within 85