1) Low water absorption2) Hard with excellent weather durability3) Excellent acid China Stone alkali durability4) 180es: polished, flamed, bush hammered, sChina Stoneblasted, gangsawed5) Dimensions: 305 x 305 x 5mm / 10mm, 305 x 610 x 10mm / 20mm, 610 x 610 x 20mm or as per requirement