LOL! That is my
Sunguard RV cover.
It uses velcro or snaps to stay up.
Also available is the
Magnashade RV cover which is held up with magnets--and looks like it is a lot easier to put on. (I would have probably got that one had I known about it before I got the Sunguard.)
Here is the view from the inside in full daylight when its on: