1.Main Parameter:The 450 600W/ Snow Melting Mats are made of high quality rubber material. Our snow melting mats outdoor measure 10 X 30 inch(25.4 X 76.2CM) with 6.5 ft power cord. 2. Design: Snow melt mats are made from a durable and corrosion resistant material, are waterproof and non slip, designed to withstand the toughest of winter storms and be left out all season long. It is a good solution for winter anti slip and helps prevent the risk of slips and falls due to snow and ice accumulation. 3.: Melting mats melt snow at 2' (5cm) per hour and use far less energy than traditional snow melting systems, saving you both time and money. 4.Wide Application:The heated snow melting walkway mat is available for all types of applications, including your roof, stairs, lawn, floors, etc. You can also roll it up for easy storage in warmer seasons. Ideal for residential and commercial use.