Best Compression Knee Braces Support\r\nMaterial: SBR 63%, Nylon 32%, Spandex 5%\r\nFeature: Breathable, Compression,Metal Spring Support,Gel Patella pad Protection\r\nPackage Included: 1Piece\r\nUniversal Fit (One size fits most):  Leg circumference of 13.8\"-20.5\" (35-52cm). Please measure the leg circumference at about 4\" (10cm) above the kneecap.\r\nLaundry Guide: Hand Washable in cold water and hang to dry.\r\nRISK FREE PURCHASE: We want to make sure that our customer are satisfy with our product,so you can contact with us if you have any issues ,and we can offer you a replacement product immediately.