Take a look at these..
RV Recreational Vehicle Window Shades Blinds Curtains RVQuickShades.com
Cheaper, mount inside so they are never wet or dirty. Easy to mount with suction cups. Allows one to see outside in daylight..1 way view...
Downside is that they do not reflect the heat as well as the outside mounted units. Still need to close drape at night for privacy.
Life is a journey, not a destination.
2005 Georgetown 359ts
Bill & Virginia, Kentucky
Nights camped in 2011...78 , 2012...73,
Nights camped in 2013...123, 2014 ...101