Random Brick Pattern Glass Tile & Granite Tile; Color: Black & Gray Glass Tile with Black Galaxy Granite Type: Glass & Granite Thickness: 3/8" (8mm) --- Grout Joint: 3/16" Color: Black & Gray Glass with Black Galaxy Granite ----- Finish: Glossy, Polished Sheet Size: 11 3/4" x 12 3/4" (is about 1 square feet) Tile Size: Random Size (5/8" x 1 7/8", 5/8" x 3 7/8", 5/8" x 5 7/8", 5/8" x 7 7/8")