Sarana Tile lists Materia Opal as a 23.6" x 47" semi polished porcelain tile. It is finished with a semi-polished face, part matte and part reflective. In a home it suits kitchens, entry foyers and open-plan living areas. It also carries commercial use in retail floors, restaurant dining rooms and hotel lobbies. The nominal size is 23.6" x 47", listed metrically as 60x119.5cm. It is supplied in boxes of 2 pieces covering 15.5 sq ft, a box weight of 68 lbs and 30 boxes to a pallet, 465 sq ft in total. It appears in the Sarana Volume 8 catalogue at page 127. Sarana prices it by the square foot.