Product name: Black roofing slate 1)Characters: Durable, flexible, high compressive, beautiful color, frozen resistant; Also the water absorption rate of natural slate is less than 5%. 2)Usage: A great choice for your patio, garden flooring, and walkways. 3)Color choices: Black, yellow, rusty, grey and green color. 4)Finish: Natural, honed surface with bottom calibrated treatment. 5) Various products available: Wall ledge panel, floor tile, flagstone, crazy mesh, flowerpot, column/pillar with cap, stairs, mosaics, roof tile, quoins. 6)Transportion: By sea. 7)packing: Seawothy wooden crates. 8)payment: At sight L/C or T/T. 9)Size: 500*250mm, 600*300mm, 400*250mm, 400*200mm etc. Need more information, please feel contact us.