Athens Grey Marble,China Grey marble Finished:Polished, honed, Sandblasted, Bush Hammered, Flamed, Rough Picked, Honed, Machine Pulled,etc.Tile Size : 305x305mm(12''x12'') 300x600mm(12''x24'') 400x400mm(18''x18'') 600x600mm(24''x24'') 600x900mm(24''x36'') According to your requestThickness:10mm,12mm,16mm,17mm,18mm,20mm,30mm and..