National Marker Company sign with legend ?CAUTION - EYE AND EAR PROTECTION MUST BE WORN BEYOND THIS POINT? is used to instruct workers or employees to wear eye and ear protection beyond a specific point in potentially-hazardous workspaces. The caution sign is commonly used at industrial facilities and construction sites to enforce safety standards. The use of yellow text on black base with black text on yellow base in bold letters ensures high visibility and easy readability. The caution signage has NMC Sign Muscle coating to protect the text against fading, scratches, scuffing, mold, and moisture and complies with OSHA standards.