Pietra Calacatta 12 in. x 24 in. Matte Porcelain Marble Look Floor and Wall Tile (16 sq. ft./Case)16 sq. ft., 8 piece per case, case weight is 73 lbs. Grade 1, first quality porcelain tile for floor, wall and countertop use 12 in. width x 24 in. length x 10 mm thick Glazed smooth finish with a low sheen and slight variation in tone P. E. I. Rating III is suitable for medium duty residential and commercial floors including kitchens, corridors, terraces and areas used more often with normal footwear and small amounts of dirt Impervious flooring has