The National Marker Company sign with the legend ?DANGER - CONSTRUCTION AREA - KEEP OUT? is used at construction sites to ensure safety of workers, personnel or visitors by alerting them to keep away from the danger zones. The danger sign shows the legend in White text on a Red base with Black text on a White base to ensure easy readability in most lighting conditions and even from a distance. The material is UV resistant, chemical resistant, graffiti proof and has an NMC Sign Muscle coating that protects the text against fading, scratches, scuffing, mold, and moisture.