First, sorry so late in responding and thanking. For some unknown reason, irv2 posts are going to my junk mail, even though I added the address to my mailbox. Second, I have been too busy actually RVing
to write about doing so.
Second, I want to thank everyone for these leads. DH is the one who asked me to post these questions. Meanwhile I made the curtain
I used blackout curtains we already had, and they are a good match for the brown interior.
Thanks again everyone for the warm welcome and helpful tips!