National Marker Company Sign with “DANGER - CONSTRUCTION AREA DO NOT ENTER” is designed as a part of safety related signage that helps to keep a check on the safety of the employees and visitors as well. It is designed to be placed across the industrial areas, jobsites or constructions sites. This OSHA danger sign is manufactured using premium quality material that boosts the durability. The clear and bold text of the legend is noticeable, while the crystal clear coating of Sign Muscle increases the visibility. Apart from this, Sign Muscle also protects the sign from pre-mature fading, scratches, scuffing, and graffiti.