Sign Muscle® Signs: The Sign Companies Don’t Want You To Know About

If you buy a sign from a company other than National Marker, you might as well buy three while you're at it. In the end, the safety sign you buy will be faded and damaged within a year – a problem that doesn't happen with Sign Muscle®. It's a revolutionary, proprietary protective coating applied to every National Marker Company sign, ensuring you'll only have to buy one sign to get the job done. Did we mention it's absolutely free?

Read more at National Marker Safety Blog