A flat plastic LED light box is a type of sign that uses LED lights to illuminate a message or graphic. They are often used for advertising or informational purposes, and can be found in a variety of settings, including trade shows, retail stores, and office buildings.

There are many benefits to using a flat plastic LED light box over other types of signs. They are energy-efficient, long-lasting, and can be customized to fit your specific needs. Plus, they are easy to install and maintain.