Safe for composite decking . Protects against spills and stains . Low cost solution for gas grills . Patented barrier media between 2 non-woven ply . Reversible . No assembly required . 1-Year manufacturer warranty . 30 in. L x 48 in. W x 0.25 in. H (1 lb.) This flexible pad is composed of two non-woven fiber materials, separated by a patented barrier media to prevent soak through of grease and other grill related "splatters". Soft touch, easily cleaned product with nothing to bond or adhere to composite decking. For Gas Grills only.