SMALL license plate Thin Blue Line Reflective 2x1" Decal Sticker United States Us Flag Tactical Police Law Enforcement Measures 2x1" 3M Reflective vinyl ULTRA HIGH QUALITY vinyl - 10 YEAR OUTDOOR LIFE! The Thin Blue Line is a symbol in use in the United States and Canada by law enforcement officers and others exclusively made and sold by EMPIRE TACTICAL USA, Seattle WA