The Signage Glow Sign Board is a sign board, which is supported by digital technology to be illuminated in case of dull light conditions. It is printed on flex/vinyl sheet fixed on a metal box frame in which tube lights are fixed to make sign glow at night or in dark environments. Vinyl banners are a form of outdoor advertising. Most banners are now digitally printed on large format inkjet printers which are capable of printing a full color outdoor billboard on a single piece of material. There are three main types: graphic signs boards, graphic signboards with a digital insert and signboards with mini inserts. Below are some of the main things to know about signboards in general, and three main types: Most signboards are double-sided, allowing users to see your message from both sides of the sign.