100% galvanized steel. Floor frame, tool hanger and 2 shelves included. Lock and key included. Door (double) frame (W)128cm / (W)4ft 2in. Shed overall pitch height (H)172cm / (H)5ft 7in. External size (W)252, (D)100cm / (W)8ft 3in, (D)3ft 3in. Internal size (W)239, (D)89, / (W)7ft 10in, (D)2ft 11in. 2 person self assembly. Packed flat for home assembly. Manufacturer's 10 year no rust guarantee.