Restoration Quality Convertible Top for the BMW E30 Chassis with factory original features Made from the original imported German Classic (Sonnenland) cloth topping material The DOT rated slightly green tint plastic window is sewn in and double stitched for durability Metal spring coils are sewn into a pocket around the window for the factory contour below rear window Front corners are reinforced for added durability and longer life BMW E30 convertible top made from factory original Haartz German Classic (Sonnenland) topping material. German Classic is a three-ply composite made of an acrylic twill weave outer fabric, a rubber inner layer and a polyester lining fabric. The topping material is imported from the German factory so you can be sure the color, texture, look and feel will match the original convertible top. Includes a new very slightly tinted press polish plastic window. The window is sewn into the convertible top for strength and durability. It has been double stitched and includes finishing trim piping on the exterior. Press polish windows are the highest quality with the least distortion.