*Please note, these window covers are designed for a factory installed window with factory trim. Permanent Suction cups adhere cover to the window. If any customization has been done, please notify us when ordering as other options are available.* This blackout window covering is for the side sliding crew door window. 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. Suction cups secure the covering in place. Cover can be also be folded up and held in place with bound webbing straps and buttoms. Window coverings and straps have bound edging. Average measuments of opening: 41" wide x 24 1/2" tall 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. We take pride in our work and our logo is proudly displayed on all products we make. Please contact us with any and all inquiries. Guaranteed warranty on workmanship. Custom fabric orders are not refundable.