We address our rich offer for 3D letters to companies which rely on effective promotion of their own image. Customers’ eyes are attracted the most by illuminated advertisements. One of the methods of effective advertisement is backlight 3D letters and 3D letters. This type of advertisement attests the prestige of a company so it is worth investing in them. LED 3D letters represent the modern and more and more popular form of visual advertising. Used both for external and internal branding they emphasize the prestige and image of the company becoming its showcase. High visibility of such forms of advertising results in very fast return of investment, and the visual effect remains long term at a very high level.