National Marker Company Sign with DANGER - EAR PROTECTION REQUIRED IN THIS AREA is designed to maintain a safe and secure working environment for the workers and other employees. This OSHA compliant danger signage keeps the people aware about the potentially dangerous zone that can be harmful for the ears. This signage is manufactured using finest quality material that boosts the durability and is perfect for indoor/outdoor use. The legend is clear and bold, and is visible even from a distance. The crystal clear coating of the signage boosts the clarity and helps protecting from the pre-mature fading, scuffing, graffiti, and other environmental damage.