The "Thin Blue Line" commemorates fallen law enforcement officers and to symbolize the relationship of law enforcement in the community as the protectors of civilians. This premium quality flag is made of heavyweight nylon material to help withstand the outdoor elements. Our Civilian Service Flags are 100% Nylon and dyed in brilliant colors. They are finished with heading and grommets for outdoor display. Uncommon USA, Inc., believes in the "highest quality" and "Made In The USA" when it comes to our Civilian Service Flags. Our Civilian Service Flags that we offer to you have a combination of the highest quality components and state-of-the-art manufacturing to give you the best looking and most durable flags in the industry.