1.size: 20x20x0.5cm, rectangle shape 2.split surface, rough edge 3.color: dark black 4.Material: slate 5.CE,LFGB,FDA,SGS Big Dark Black Slate Rectangular Coaster Brand nameXinmao slateMaterialNatural slate & stoneShaperectangle, other shapes round, square, heart, oval, hexagon, etc.Size(cm)20x20 CP-028D2A ColorDark black Thickness(cm)Normal:0.4-0.6cm,or as your requirementFOB PortJiujiang Port, ...