Vehicles traveling 25 MPH or less are required to display a slow-moving vehicle sign (Highway Traffic Act, Section 76/Regulation 616). This highly reflective sign is up to Stick on Slow Moving Vehicle Decal. 40% more visible at night than previous models. 14in. on all sides and easily mounts to the back of vehicle (mounting bracket not included). Meets ASAE codes and guidelines. U.S.A.