The most widespread signs are, without a shadow of doubt, “illuminated box signs”. Their success is due to their simplicity and compactness and also because they are easy to personalize and in the fact that they do not require lengthy maintenance. Box signs can be flat, shaped or composite with an opal translucent, perforated or buffered front. They can be completed with carved lettering or with a stretched, pvc translucent tarpaulin front printed digitally. In a nutshell, the variety of materials that can be used allows for numerous combinations so as to produce a product that is cheap but exclusive. Furthermore, with the aid of digital printing, it is possible to reproduce complicated designs and decorations so as to embellish the front with bright and luminous colours.