Material: Nylon Velcro & EVA foam/ rubber. Features and usage: 1) For skiing use, wrist and knee protection. 2) Any color, any size & LOGO printing acceptable upon customers’ request. 3) Wrap strap around out of the ski, securing together with the skis and easy to carry. 4) All products have passed ROHS&SGS, in line with the European environmental protection standards. 5) Specification: 50X440MM, 40X440MM, 40X480MM, 55X135MM, 57X136MM, 75X140MM…, any size can be customized as per buyers' request. Secure your skis together for transportation and storage while protecting the bases from nicks and scratches. Wide Velcro strap with attached foam pad that fits between skis. Long Black straps will fit wider skis 70mm and wider. Shorter straps for touring and racing skis 44 to 65 mm wide. Sold in pairs.