Gorilla Anti-Slip Tread Tape is designed to help prevent slips and falls by providing durable traction to wet, slick or high traffic areas. The multiple layers of protective coating ensure a heavy- duty, long-lasting, durable grit for both indoors and out. Perfect for ladders, steps, ramps, boats, RVs, decks and more! Grade: Heavy-Duty; Core Size: 3"; Dispenser Included: No; Backing Material: PVC.