Posh Penny Round Black 11 1/4 x 12 Inch Porcelain Mosaic Wall Tile (10 Pcs, 9.4 Sq. Ft. Per Case) Glazed porcelain mosaic tile Glazed matte, smooth and iridescent finishes and a uniform appearance in tone Easy to install 11.25 x 12 x .15 mesh mounted tiles PEI 0 is suitable for walls and residential use only Sold by the case, 10 sheets cover 9.4 square feet