Discover Beautiful Things!Material: Nylon + SiliconeSize: Free Size (Adjustable， one size fits all)Inner Silicone Cushion， To The Injured Area To Provide Treatments Of Heat And Pressure， Soft And Comfortable， Velcro Can Freely Adjust The Pressure To Reduce Patellar Tendon Pain， Deter And Prevent Injuries Worse.Suitable For Basketball， Minor Patella Badminton， Tennis， Table Tennis， Running， Fitness， Track And Field And Other Sports Wear Form， Chondromalacia Patella， Patellar Tenosynovitis， Basketball Knee， Jumping Knee， Patella Pain The Lower Case.Package Included: 1 PCS Knee Cap(JUST 1 PCS， IF YOU NEED A PAIR，PLEASE BUY 2) Note:1.The Actual Product Maybe Slightly Different From The Picture Shown Due To Lighting And The Color Setting Of Each Individual Monitor. Please Allow The Slight Color Difference!2.All The Sizes Are For Your Reference Only. 2-3 Cm Data Error Is Allowed. Thank You For Your Understanding.