National Marker Company signage with legend ?DANGER - DO NOT ENTER AUTHORIZED PERSONS ONLY? has a graphics to represent the same. It helps to alert the employees and visitors about the access restricted areas. This sign permits only authorized person, hereby restricting visitor interference on the premises. The authorized person danger sign has black text printed on a yellow base that ensures legible letters with clear visibility. The OSHA compliant danger signage is weatherproof and ideal for both indoor and outdoor use. The danger signage features Sign Muscle coating that protects the text from fading, scratches, scuffing, graffiti, and mold. The UV-cured coating creates a strong bond and boosts color and clarity.