... Types:roofing slate,flooring slate, paving slate,slate mosaic,mushroom slate,window sill slate, pool slate and other culture slate 2.Colors:Rusty,Black,Green,Grey,Blue-black,Rusty yellow ... 15-20mm,25-30mm,or as per customer's requestLedge slate panel:150X600X15-35MM;150X600X15-25MM 600X200X30-40, 610X152X30-40, ... ,500X250mm,400X250mm,400X200mm thickness:7-10mm/8-12mm Roofing black slate tile U shape