Description: The anti-collision technology is composed of thick honeycomb cushions, which provide advanced protection against scratches and elbow hits. The silicone anti-skid strip can prevent the arm from slipping off during exercise, and keep the elbow in place with a tight grip. The blended fabric of polyester and spandex is soft, smooth and elastic, which can perfectly fit the arm. The anti-collision material is environmentally friendly EVA, which is washable and resistant to high temperatures. Ventilation technology is used to reduce odor and moisture. Not only can it absorb sweat quickly, but the good breathability can quickly wick away sweat, which can make your arms and elbows better protected. Suitable for all outdoor activities and various sports, such as rugby, basketball, softball, tennis, football, baseball, horse riding, skating, badminton, running, martial arts, golf, etc. Lightweight and flexible. Specification: Material : Polyester + Spandex Size M: Upper Arm Circumference: 24-32cm / 9.45-12.60inch Under Arm Circumference: 13-17cm / 5.12-6.69inch Length: 40cm / 15.7inch Suggest weight ≤60kg Material : Polyester + Spandex Size L: Upper Arm Circumference: 26-34cm / 10.24-13.39inch Under Arm Circumference: 13-17cm / 5.91-7.48inch Length: 41cm / 16.1inch Suggest weight ≤70kg Size XL: Upper Arm Circumference: 28-38cm / 11.02-14.96inch Under Arm Circumference: 17-21cm / 6.69-8.27inch Length: 41cm / 16.1inch Suggest weight ≤70kg Package Includes: 1 Piece Elbow Pad(4 Pack) Note: Please allow slightly difference due to manua l measurement. Color may be slightly different since different monitor. Thanks!