Difi Perforated Window Film 50/50 is a perforated, flexible, calendered film for use on exterior-mount one-way visual panels. Graphics printed on this material are visible from the front and “invisible” from the back when mounted on windows. 50/50 perforation pattern provides an open area of 50% allowing for the best possible visibility through a one-way graphic panel. This film is intended for vehicle windows or applications where visibility through the graphic is important.