This is Corrugated Siding.FEATURES: Used for Roofing, Siding, Flooring, Walls and Water Vacuum Formed in Colored Styrene or Clear Copolyester SheetsINCLUDES: Two HO Scale SheetsSPECS: Height: 7" (175mm) Width: 12" (300mm) Thickness: 020" (0.5mm)PlastructPart PLS91509