The National Marker Company caution signage instructs people to use handrails. It can be used to mark staircases and inclined platforms to prevent injuries from slipping. The caution signage has the legend ?CAUTION - USE HANDRAIL? 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.