... tile, porcelain floor tile, polished floor tile, ceramic tile,ceramics tile,ceramic tiles,soluble salt tile,soluble salt ,double loading,double loading tile,unglazed tile,unglazed floor tileFirst choice Grade AAA.Best hardness for floor ... us.Special dimension are available by cutting ,which is suitatble for wall also.Technical staradard: Stains cleaning method for polished tile: