The FEPPO Food Warming Mat is a high-tech graphene heating film designed for urban slate color kitchens. This rectangular tray, measuring 23.6 x 14.6 inches, is made of silicone and graphene materials. With features such as temperature control, timer, and foldable design, this food warming tray offers rapid heating and uniform surface heating. It comes with 6 settings/programs and a power of 500W, making it a convenient and efficient appliance for keeping food warm in the kitchen.