The use of microprism-type super-engineering grade reflective film with high brightness can enhance vehicle visibility day and night, reduce the incidence of accidents, and clarify liability determination. The embossed shape is quadrilateral; the surface lattice is small square. It has very good wide-angle performance and viewing distance, is wear-resistant, scratch-resistant, solvent-resistant (gasoline, diesel, lubricating oil), weather-resistant, and UV-resistant. JT3934 is specially used for dangerous goods vehicle bodies.