A window covering specially designed and attached to indoor residential shutters is disclosed. The window cover is removably attached by various means in various embodiments and provides a user with more control over light transmission, solar transmission and view through properties, as desired. In a preferred embodiment, holes are drilled into as shutter at respective corner. Subsequently, circular magnets are provided to each of the holes to mate with ferromagnetic material configured to the window covering. A variety of fabrics and color options are additionally provided to the window covering.