Fireplace Glass, 15 Lbs of ~1/4" Azuria Reflective + 35 Clear Base , 50 LBS Total "Reflective" fireglass is tempered glass with one side metallic/mirror-coated Highest quality fire-glass on the market, Made in U.S.A. Product made by Fireplace Glass San Diego Package includes 15 lbs of ~1/4" Azuria Reflective, and 35 lbs of ~3/16" Clear (aqua tint) base glass This glass has been tested and will not melt or discolor, if properly installed and used