LifeProof Sierra Wood 6 in. x 24 in. Porcelain Floor and Wall Tile (14.55 sq. ft. / case)0. 97 square foot per sample, each sample sold individually. Sample weight equals 3. 86 lbs. Grade 1, first quality porcelain tile for floor, wall and countertop use Actual size: 6 1 16 in. width x 23 7 8 in. length x 5 16 in. thick Glazed matte finish with a low sheen and moderate variation in tone Class 3 abrasion resistance suitable for floor applications with medium to heavy foot traffic Impervious tile has water absorption of less than 0. 5% D.