Fireglass Fireplace Fire Pit Glass, ~1/4" Pacific Blue Reflective , 5 LBS "Reflective" fireglass is tempered glass with one side metallic/mirror-coated Highest quality fireglass on the market Products made by Fireplace Glass San Diego Package includes 5 Lbs of ~1/4" Pacific Blue Reflective Fireglass This glass has been tested and will not melt or discolor, if properly installed and used