U.S. Mail Delivery Magnetic Sign. MAIL DELIVERY Magnet USPS - 3"X10" Ideal magnet for postal workers. Display this bumper strip on your vehicle to inform people that you are a postal employee! 3x10 inches 0.35 mil thick! Waterproof High-Quality...

U.S. Mail Delivery Magnetic Sign. FREQUENT STOPS Magnet USPS - 3"X10" Ideal magnet for postal workers in rural areas. Display this bumper strip on your vehicle to inform people that you are a postal employee! 3x10 inches 0.35 mil thick! Waterproof...