Dean Indoor/Outdoor Pet Friendly Tape Free Non-Slip Carpet Stair Step Treads - Contour Gray 23" x 8" (15) Amazing non-skid padded backing prevents movement, adds cushion. Helps prevent slips on your hardwood or outdoor stairs. Protects your wooden staircase from wear and tear. Fade resistant Hi UV polypropylene for indoor or outdoor use Made in the USA!