Sarana Tile lists Ethos Astra as a 23.6" x 23.6" porcelain tile. On the residential side that covers 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, a box weight of 49.6 lbs and 40 boxes to a pallet, 464.8 sq ft in total. Sarana catalogues it in Volume 8 on page 89. Sarana prices it by the square foot.