This National Marker Company signage alerts people from cluttering a specific area. It is mostly placed in passageways, hallways, entrances, emergency exits or corridors. The legend ?CAUTION - KEEP CLEAR AT ALL TIMES? is printed in legible font to give more readability. The sign is UV resistant, chemical resistant and graffiti proof. It has yellow text on black base and black text on yellow base. The rectangular caution sign complies with OSHA standards and has NMC Sign Muscle coating to protect the text against fading, scratches, scuffing, mold, and moisture.