Have a nice grill but nothing to put under it? Protect your expensive deck and patio surfaces with The Original Grill Pad. Available in 3 different sizes and 5 unique colors. Or for the sports fan, we also carry the Collegiate Edition Grill Pads. The grill pad is made of cement and polypropylene. There is nothing in the material or manufacturing process that can leech out or onto your deck. It has a smooth bottom side and a textured top. NOTE: This product contains NO hazardous materials.