black roof plastic slate 1.Regular Size:20"x10",16"x10",16"x8" ... 2.Thickness:5-7,6-8,7-9mm 3.Color:Black ... ,Rusty,grey black roof plastic slate1) Slate colour: Rusty color, rusty yellow, grey ... to install6) Non-slip & fireproof7) Natural and beautiful in apperance black roof plastic slate