The National Marker Company sign has legend âNOTICE - ENTRANCE FOR EMPLOYEES ONLYâ, boldly conveying the message to visitors, guests and individuals about restricted entrance in an area. It is suitable to be put up in office spaces and industrial facilities. This rectangular notice sign is resistant to UV rays, chemicals and is graffiti proof. The NMC Sign Muscle coating helps protect the text on the sign from fading, moisture, mold, scuffing, and scratches. The employees notice sign has bold and clear text in White on a Blue base which gives it better visibility. It comes with radius corners and predrilled holes for easy mounting on walls and fences. The restricted entry notice sign complies to OSHA 29 CFR-1910.145 standards.