1.Frame: steel tube of hot galvanized and powder coated 2.Fabric: 350gsm / ... (waterproof, fire retardant, and UV resistant) .3.Frame: powder-coated steel tubes .4.Suitable for standard size car or used for storage ... to 20 meters in length, be made of heavy-duty steel frames (powder coated or hot galvanized) as well as waterproof ...