Camco SunShield Reflective Door Window Cover- Helps Protect Your RV from Harmful UV Rays and Regulates RV Temperature 16 x 25 " (45167) Helps control the temperature of your RV Protect your RV from harmful UV rays Hook and loop fasteners allow for easy installation Measures 16.25 inch x 25.25 inch and fold for easy storage Designed for use on door windows