Allows a full image to be seen on the outside while allowing viewing through windows from the inside; 4-mil, opaque vinyl film with a high gloss finish; White on the outside facing image side, black on the see-through reverse side; First surface application; Film 8174 has a 40% perforation pattern for excellent image density and more impactful signage, lower light transmission provides more outside image density than view-ability through the window; Pressure sensitive adhesive; Removable with heatInformation provided by 3M |