Mineral Spring Crackle 12 in. x 12 in. x 8 mm Glass Mosaic Wall Tile 1 square foot per piece, each piece sold individually. Unglazed smooth finish with a high/low sheen and a random variation in tone Grade 1, glass tile for floor, wall and backsplash use Residential and commerical use 12 in. wide x 12 in. length x 8mm thick mesh mounted mosaic