The letters are made of polystyrene using sophisticated CNC measuring 2x3 meters with automatic tool change. When CNC machine cut Styrofoam letters, followed by finishing and painting the letters of Styrofoam to the desired color. But pure painting in color can add glitter to your letter of Styrofoam look even more effective. Styrofoam letters are used for various purposes such as: editing window, advertising logos, commemorative events, decorating the points of sale, the walls in the rooms, nurseries or playgroups.