Flat light letter are one of the most popular advertising signs letter in recent years. It is made of 304 stainless steel and painted with a white matte paint on the inside. A 3MM milk whiteboard can be painted on it. A flat font formed by 3M stickers and a 5MM PVC back cover. The built-in LED lights form a "body" light letter. Looking at the literal meaning, the flat light letter are not so three-dimensional. Stainless steel and acrylic sheet, so it has high temperature resistance, low temperature resistance, good light transmission, full and bright color, and is not easy to fade and corrode, so whether it is indoor or outdoor, this advertising signboard is the choice of many customers. Flat light letter are widely used in commercial advertisements, reception signs, corporate signs, architectural signs, and almost any internal and external environment. outdoor signboard advertisements, hospitals, etc.