This National Marker Company caution signage alerts people about high intensity ultra violet energy that may damage the skin and the eyes. It instructs people to wear protection and is mostly used in areas that are exposed to direct sunlight or in the industrial facilities. The caution signage has the legend âHIGH INTENSITY ULTRAVIOLET ENERGY - PROTECT YOUR EYES AND SKINâ printed in legible font to give more readability to the message. The sign is UV resistant, chemical resistant and graffiti proof. It has yellow text on a black base and black text on a yellow base in bold. The rectangular caution sign complies with OSHA standards and has an NMC Sign Muscle coating to protect the text against fading, scratches, scuffing, mold, and moisture.