The National Marker Company sign is designed to inform motorists to drive slow because of an approaching speed bump. It is mostly used to ensure that motorists drive safely and slow down at required locations for safety reasons. The legend is printed in legible and bold text to ensure better visibility even from a distance. The sign is UV resistant, chemical resistant and graffiti proof. The sign has NMC Sign Muscle coating to protect the text against fading, scratches, scuffing, mold, and moisture.