The BriskHeat® HeatTrak® snow melting walkway mat is constructed of 1/4-Inch reinforced, non-slip UV-stabilized, natural rubber that is durable and endures harsh wear and tear. These heated walkway mats continuously melt snow and ice, keeping surfaces constantly clear and safe. Use for entraceways, walkways, stairs, loading docks, handicap ramps, rooftops, freezer floors and many other surfaces. Heated walkway mats are portable and easy to install by simply plugging them directly into any standard 120V outlet. Designed to lie on top of the existing surface and to be left out for the entire winter season. The walkway mat has a power density of 37 to 40watts/square foot. Includes 6-foot input power cord with a standard 3-prong 15amp rated power plug (NEMA 5-15).