Features:1. Premium quality materials made, comfortable and breathable.2. Full range of flexibility provides a more fit and more comfortable support on the knee.3. Suits for sports wear, such as basketball, volleyball, running, etc.4. With silicone anti-slip strap, comfortable to wear, better protect you.5. Comfortable and easy to put on and take off, bring your knee a better support.6. With spring support, easy and convenient to save much more efforts when doing sports.Specifications:Materials:nylonsiliconespandexSize Length Upper Circumference Bottom Circumference Suitable WeightM:28cm 34cm-54cm 30cm-50cm 50kg-65kgL:28cm 36cm-58cn 32cm-54cm 65kg-75kgXL:28cm 39cm-62cm 34cm-58cm 75kg-100kg Package List:1 x Knitting Knee Pads