5 mil Mirror Backlit is a single-side coated polyester film with a white matt coating. It is designed for high quality graphic art applications on ink jet printers with pigment and dye inks. The product is suitable for reverse printed applications which allows a brilliant, rich in contrast and auto-protected prints on the glossy frontside. The backlit film is ideally suited for long lasting picture presentations in illuminated poster displays. Dye & UV Inks