Sarana Tile lists Ek Onyx Black as a 23.6" x 23.6" polished porcelain tile. Visually it offers the broken, tonal face of natural stone. Sarana supplies it with a polished face with a full reflective shine. Residentially it works in kitchens, entry foyers and open-plan living areas. On commercial jobs it turns up in retail floors, restaurant dining rooms and hotel lobbies. The nominal size is 23.6" x 23.6", listed metrically as 60x60cm. It is supplied in boxes of 4 pieces covering 15.5 sq ft. Sarana catalogues it in Volume 8 on page 77. Sarana prices it by the square foot.