1.The upper part of the knee pads is coated with silicone non-slip strips, which are not easy to slip when worn. 2.Stretch fabric fits the body structure and fully wraps the knee joint. 3.Prevent injuries, reduce muscle damage, increase oxygen flow, and make you happy to exercise every day. 4.Knee pads can disperse pressure and improve the circulation around the knee joint. It can wrap the kneecap, enhance the stability of the kneecap, relax the tendons, avoid strains, and prevent muscle strain. 5.Made of stretch fabric, it feels soft and comfortable to the touch. 5.Made of stretch fabric, it feels soft and comfortable to the touch. Material: Nylon, latex silk, spandexColor: gray, red, green, bluePackage size: 30*20*5CMPackage content: Knee pads*1