Premium Nylon Carpet Stair Treads - Natural Boucle Slate Gray Set of 15 stair treads plus a matching 2' x 3' landing mat by Dean Flooring Company. Made from premium quality nylon patterned carpeting. Luxury Carpet. Edges are finished with color matching binding tape. Helps prevent slips on your hardwood stairs. Do-it-yourself installation is quick and easy with our unique non-slip backing. Simply place your stair tread rugs on your staircase and go. No tapes, adhesives, staples, or glue needed. And rest assured, they won't move and they won't damage your hardwood either. They are also simple and easy to remove as well with no sticky residue left behind. Each tread measures approximately 27 inches x 9 inches.