*Please note, these window covers are designed for a factory installed window with no finishing trim inside. (Magnets adhere to the metal around the window. If any customization has been done, please notify us when ordering as other options are available.)* This blackout window covering set is for the rear passenger windows on a Transit extended passenger van. Outside fabric facing the window will be black (unless otherwise specified). Window covering consists of black waterproof fabric facing the window, Reflectix insulation, and fabric of your choice facing the interior, with the option to add Polartec Power Fill 200 as additional insulation. Neodymium magnets are sewn into the perimeter and secure the covering in place. Cover can be also be folded up and held in place with bound webbing straps and buttons. Window coverings and straps have bound edging. There is the option to add full magnetic bug screens to your order. A magnetic opening in the screen allows you to open and close the rear window without removing the screen. The magnets of the screen are designed to adhere behind the sheet metal of the van (between the window and the metal). This option offers comfortable ventilation without the worry of bugs getting into the van. If any customization is needed... Let us know! We can also personalize these window coverings in any fabric of your choice to match the interior of your van. Please contact us with any and all inquiries. Guaranteed warranty on workmanship. Custom fabric orders are not refundable.