Reflective Fireglass, 10 pounds (1/4 Inch, Copper) "Reflective" fireglass is tempered glass with one side metallic/mirror-coated Replaces gas logs and lava rocks Products made by Fireplace Glass San Diego Package includes 10 lbs of ~1/4" Copper Reflective Fireglass This glass has been tested and will not melt or discolor, if properly installed and used