The Splatter Mat Gas Reversible Accessory for Under The Grill Deck Protection, Black, 48&rdquo; x 30 Inch Strong deck protection: reversible grill mat that protects decks by trapping grease and other liquids associated with gas grilling Heavy duty absorbance: can hold 5x its weight in liquids Compatible with all deck surfaces: protects all surfaces including wood, brick, stone, slate, cement, and composite decking Reversible non-woven fiber material: 100% recyclable materials that will not bond or adhere to composite decking To minimize weathering: do not allow the area beneath the gas grill splatter mat to remain wet for extended periods.Easy to clean by simply spraying it down with a hose. You could also hand wash with Warm soapy water Note: rain or a misdirected sprinkler system will force water between the mat and the outdoor surface causing a water mark if the mat is not removed to allow the area to dry. Measurements: 48 x 30