In Europe and other World markets homeowners know that retractable window screens are wonderful. So much so that in some regions it is hard to find a home that does not use retractable window screens. Retractable window screens are present when you need them yet they quickly retract and disappear when not in use. With Genius retractable window screens you will have a better view, your screens will last for decades and the screen fabric remains cleaner. Affordable and easy to custom size and install on any new or existing window.