The Thin Blue Line U.S. Flag Cap features an all black solid background. The crown of the cap features an embroidered U.S. flag in black and white with gray border. The center of the flag has an embroidered blue line. This respresents the many brave men and women who serve our law enforcement agencies every single day. They stand ready to repel the darkness to keep each and eveyon of us safe. Show your support for these very barve souls, and order your Thin Blue Line U.S. Flag Cap today!