Thin Blue Line & Red Line Low Profile Flag CapShow your support for law enforcement officials and the fire department with the Thin Blue Line and Thin Red Line US Flag Cap. Low Profile Style Cap With An Embroidered US Flag Featuring The Thin Blue And Thin Red Line Adjustable Hook And Loop Closure Back For The Perfect Fit Durable Brushed Cotton Twill Material The Thin Blue Line Is A Symbol Of Respect And Support For Police And Law Enforcement Officials The Thin Red Line Is A Symbol Of Respect And