Made from high-quality UHMW plastic (the same material used in most plastic skis), which provides longer life and better performance than HDPE plastic. Protect concrete floors, trailer decks, skis and carbides. Superstrong and super slippery. Flexible even in extreme cold. Resist carbide cutting. Easy on/easy off; no loose mounting hardware. Small and compact for easy storage. Sold in pairs. NOTE: 22" straps fit most OEM skis except Simmons, dual keel and offset skis.