aluminum Imported Roof mounted awning ideal for camper vans, i.e. Sprinter and Pro Master Easy, crank operated opening and closing Spring loaded tension arms absorb movement to ensure stability and wind resistance Thule QuickLock: user friendly system to help set and adjust support leg heights By setting the angle as you please, the awning can be opened and closed even when the sliding door of your van is open Easily mounts to the roofline of popular vans using an additional adapter (sold separately) Front profile with drainage system to dispose of water and waste, and which makes it easy to clean