Here's what I used:
PetriStor 16 X 25 SunShield RV Reflective Door Window Cover https://amzn.to/2uDyEZM
General Tools 1267 Screw Snap Fastener Kit with 6 Fasteners https://amzn.to/2Ha2Kqr

Make this camper door window blackout screen and enjoy a restful night's sleep knowing the campground lights are not going to be shining in your face. In this DIY I show you how to build a custom-fitted window screen for your camper door window using products costing about ten dollars and less than an hour to make. If your opaque window in your camper door is annoying you and has no shade, this video will show you how to make your own.