Product Description Three layers of effective protection: the first layer of silicone coating is heat-resistant, waterproof, and easy to clean; the second layer is fire-resistant fiberglass; the third layer is heat-resistant, waterproof, and easy to clean. Temperature resistant up to 1800 F. Yard, Lawn, Deck Protector This reliable thermal mat creates a safe, effective, heat-resistant barrier from high heat sources. Prevent burn and melt marks on expensive decks and patios and avoid damage to yards and grass Sizes fit for fire pits, grills, smokers, charcoal grills, flat top grills Lightweight and portable Designed to be lightweight and portable to keep up with the active lifestyle, perfect for daily use throughout the season. Take it to camping, grilling, and making memories with friends and family all year round. Be sure to have at least 8 inches of separation between heat sources (propane fire pits, campfire pits, burn barrels, stand-up smokers, grills), pit barrels Smoker, etc.) and fire pit mat, please do not place the heat source directly on the fire mat. The picture is for reference only. The fire mat does not have black edges.