The Caravan Canopy 20?X20? Domain Pro 400 carport features a water resistant, heat sealed polyethylene top & a 1 3/8? Diameter steel frame that is powder coated to ensure protection form rust, peeling, & corrosion. This easy to set up carport is perfect for providing shade & storage for your car, boat, or other items. Along with these features, the new Domain Pro 400 provides 400 sq.ft of shade for an ultimate sheltering that enhances your party, catering, and outdoor event experiences!