SmartSign Warning This Property is Protected by Video Surveillance No Dumping Violators Will Be Prosecuted Sign 12 x 18 3M Engineer Grade Reflective Aluminum

Reflective Signs Are Hard to Ignore Reflective signs illuminate when struck by light from headlights or any other source. This makes the message readable even in dark and low lighting. 3M Engineer Grade ["EG"] Reflective 3M Engineer Grade reflective signs are the most common material found on our public roads. 3M Engineer Grade signs have upto 10 years of outdoor warranty. USA's Oldest Sign Manufacturer Family owned since 1918, we take immense pride in our signage. Being one of the oldest certainly means we know this business in and out. Our South Dakota factory is the oldest manufacturer of metal signs in the USA.