National Marker Company Sign with DANGER - DANGER - DO NOT ENTER WITHOUT WEARING SAFETY GLASSES instructs the employees and workers to wear safety glasses before entering a dangerous area. This OSHA compliant danger signage is manufactured using premium quality material that extends the durability of the sign and is suitable to be used in most of the industrial environment. The text is legible owing to the bold colors and is visible even in dull conditions. This sign has the clear coating of the sign muscle that boosts the clarity and protects from most of the environmental damage.