Black Galaxy 12 in. x 12 in. Polished Granite Stone Look Floor and Wall Tile (10 sq. ft./Case)This case includes 10 pieces of grade 1, first quality Black Galaxy granite tile, covering 10 square feet and weighing 60 lbs. These tiles are suitable for use on floors, walls, and countertops, measuring 12 in. in width, 12 in. in length, and 9. 4 mm in thickness. The polished finish has a high sheen and slight variation in tone. With a water absorption rate of less than 0. 5%, these tiles are impervious to water and can be used indoors or outdoors.