Rural Delivery Magnets for US Mail is a great use to show others that you're a USPS mail delivery personnel. It is very easy as it can be applied to most cars by just placing it in the desired area and highly visible reflective lettering, 9 x 12...

Rural Delivery Magnetic Sign for U.S. Mail with Frequent Stops Magnet is great use for USPS delivery mail and car. These magnetics will stick to any smooth steel surface. Highly visible reflective lettering and are guaranteed to last for years....