Knee protection & relieve knee pain, recover from injury, exercise protectionContaining silica gel, spring support strip Size chart:S: 30cm long and 16cm wide.M: 30cm long and 17cm wide.L: 30cm long and 18cm wideXL: 30cm long and 19cm wide Material: nylon+spandex Product description:The gel pad of the kneecap that conforms to human anatomy surrounds the kneecap, and the spring support closely fits your knee joint. These special functional elements strengthen the lateral support and maintain the stability of joints. It can effectively disperse pressure, keep knees warm and lubricate joints. The best choice for sports protection and pain recovery. Compression soft fabric, 360 perfectly fits your knee curve. The specially designed oversized knee pads can significantly reduce the pressure of knee joint, help meniscus recover, prevent muscle strain, relieve the pain of anterior cruciate ligament, LCL, LCL, MCL and PCL, and prevent ligament injury, fracture and dislocation. It is very suitable for pain recovery or exercise. ComfortInnovative ventilation system uses moisture-absorbing and sweat-releasing light neoprene to make you more comfortable to wear for a long time. Skin-friendly fabric, reinforced double-needle sewing and sturdy adjustable shoulder strap can provide any compression level you want, so you can wear it anywhere or at any time! !Quick-release and easy-to-manage fastening tape, safe and easy to fit. It can be used for relieving meniscus tear, arthritis, ACL, joint pain and sports injury. Both the left and right legs fit.