This tile is created using a cold cast process , the surface of the tile is real metal and the substrate is a durable eurothane resin. During the casting process the metal and resin are bonded together and the metal will not peel or chip.This tile has the look of a solid cast metal tile without the weight or cost. This 3"x12" liner weighs only 13.6 oz. and is mesh mounted for easy installation. This tile can be installed in wet or dry areas and is applicable for indoor and outdoor applications. Since this tile has a real metal surface it will develop a natural patina, tile can be cleaned with a soft cloth to maintain its original finish. This 3"x12" liner is made with a blank area in the center for a 2"x2" deco of your choice ( 2"x2" Deco's sold seperately). This tile can be ordered in Bronze , Brass , Copper or Nickel Silver . All metal tile has a highlight polish only.