Diversitech, 48" x 30", Ultra Grill Mat, Protect The Surfaces Under Your Grill From Grease, Drippings, Stains & Sparks, Protects Surfaces Up To 600 Degrees, Waterproof, UV Safe, Mold & Mildew Resistant, Durable Enough To Use With All Outdoor Appliances, Grills, Fire Pits, Fryers, Etc, Safe To Use On Composite Decks, Lightweight, 10 Year Warranty.