Dean Non-Slip Tape Free Pet Friendly Stair Gripper Natural Fiber Sisal Carpet Stair Treads - Island Gray 29"W (15) Helps prevent slips on your hardwood stairs. Fiber Content: 100% Natural Fiber Sisal. Amazing non-slip padded backing prevents movement, adds cushion. No Tape required. Simply place on your stairs and go. Protects your hardwood stairs from wear and tear.