Drymate Extra Large Gas Grill Mat protects expensive decks and patios from costly grease, oil and food stains. All Drymate waterproof products feature their patented Zorb-Tech anti-flow technology. Absorbent, yet waterproof. Soft, stain resistant, felt-like non-woven fabric is coated on one side with a non-slip, durable, special bonded backing that prevents soak-thru from above or below. All Drymate products are machine washable and dryable and are made from over 50-percent recycled material. Made in the USA. The mat measures 30 by 58-inch.