Premium Carpet Stair Treads - Smoked Pearl Gray Set of 15 by Dean Flooring Company. Edges are finished with color matching yarn. 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, glue, or Velcro 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" x 9".