3M Dual Color Film 3635-210 White (1.22 m x 45.7 m)

A white matte perforated cast film (140 µm) allowing you to create special effects of white color during the day (non lighted) and another color during the night, when backlit. If you apply a 3M Scotchcal Translucent Film below it, its color will show up when backlit as it glows through the perforations, whereas the daycolor is white. Up to 7 years durability.