PREMIUM MATERIALS: The ember mat is made of three layers of heat resistant fabric, flame retardant cotton layer, fire resistant aluminum foil and silicon coated fiberglass fabric with a heat resistance rating of up to 1800 degrees. You'll find it reflects heat very well, feels cool to the touch and doesn't burn. PROTECT YOUR LAWN: For advanced foil layers, fire pit mats reflect 96% of radiant heat to protect grass from baking to death. Whether your surface is wood, composite, stone or concrete, our fire pit mats will protect your patio surface from burns, heat damage, heat distortion, grease spills, cement stains and more. MULTIFUNCTIONAL HEAT SHIELD: The 36" Fire Pad features a versatile round design that can be placed under larger propane fire pits, campfire pits, burn barrels, fire pit rings, charcoal grills, wood smokers or outside, etc. It's perfect for most people's pits. Use 2 or more fire pads for larger size Warning: Make sure there must be at least 4 inches of space between the heat source and the pad to provide proper thermal protection. Direct contact of fire pit mats with fire pits is not recommended. Size: 32" Weight: 650 grams Packing list: 1 x Fire Pit Mat