SomerTile FXLMSMW Retro Subway Porcelain Floor and Wall Tile, 11.75" x 11.75", Matte White First-quality porcelain tile for floor and wall use Glazed smooth finish with a low sheen and uniform appearance in tone -P.E.I. Rating IV has high resistance to abrasion and is suitable for heavy-duty residential and commercial floor installations -C.O.F. greater than .50 is recommended for standard residential applications and is marginally skid resistant -Mosaic Chip Width (in inches): 1.875 & Mosaic Chip Length (in inches): 0.875; 9.6 Sq. Ft. Per Case