Thin Blue Line Tank - Fire Department Thin Red Line Black . The Flag On The Front Represents The Men And Women That Protect Our Neighborhoods From The Destruction Of Fire. The Bold Fire Dept. Displayed On The Back Is A Powerful Way To Show Your Commitment To The Work These Local Heroes Put In Day After Day. This Tank Is Perfect For Working Out And Helps Fund Firefighter Charities With Every Purchase. Specifications for Thin Blue Line Tank - Fire Department Thin Red Line: Manufacturer: Thin Blue Line Apparel Fit: Regular Gender: Male Package Contents: Thin Blue Line Tank - Fire Department Thin Red Line