The National Marker Company notice sign with legend “NOTICE - KEEP DOOR CLOSED AT ALL TIMES” and graphic is often seen in offices, laboratories, industrial facilities, and hospitals for privacy and security. The notice sign has White text on the Blue base with Black text on a White base printed in clear, bold letters to ensure clear visibility and easy reading. The sign complies with OSHA 29 CFR-1910.145 standard and is non-corrosive and weatherproof. The material is UV resistant, chemical resistant, graffiti proof and has a Sign Muscle coating that protects the text and image against fading, scratches, scuffing, and moisture.