Aluminium Frame and Polycarbonate Sheet Aluminium Frame:1.00MM Thickness,Highly Anodization Polycarbonate Coverings:4.00MM Thickness,clear, hollow and twin-wall,UV-Protections Price Content:Aluminium Frame, 4.00MM Clear PC Coverings, galvanized steel base, single-sliding door,two window vents and many other useful accessories SIZE Qty20'/40' FT Size:8'x6'x6.7'FT 121/242 CM Size:281x212x220 CM110/220