Metal letters are a type of advertising sign suitable for high-status organizations. The warranty for the operation of the letters without backlight is unlimited. Material features: Titanium nitride coated stainless steel. It is the spraying that creates the noble color of metals with a mirror surface. The material is used for the production of three-dimensional letters, signs, logos, decorative patterns and figures. Outside the advertising industry, it is often used in the decoration of domes of churches and symbols, monuments, facades and premises.