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