Fireproof and waterproof: : Fireproof mat is made of three layered non-itchy aluminum foil silicone coated fiberglass which stands up the temperature up to 2000. . 24" Diameter Round: : Perfect fit for 18inch- 26 inch round fire pit and grill.Please keep the reflective layer (Aluminized Layer) side up,and keep at least 3 inches space between the fire pit and mat. . Foldable, Lightweight & Portable Fire Mat: : Our fire mat for wood deck could be easily folded into Small Size for space saving storage. Meanwhile, the Lightweight design makes this fireproof deck mat suitable for many activities through the whole year. . WATERPROOF DURABLE AND EASY TO CLEAN: : The surface layer is made of aluminum foil, no matter oil stains, mud stains or smoke stains, etc., it can be easily wiped off. With aluminized glass fiber layer and silicone glass fiber layer, our fireproof mat is also waterproof, and you can easily clean it after use. . 100% SATISFACTION GUARANTEE: : If you have any issue on our portable grill mat, fire pit heat & fire shield pad, we promise to arrange a REPLACEMENT of outdoor heat mat or 100% MONEY BACK immediately. No worries at all. Our customer service will always be here to help. .