Thin Red Line is a symbol used by fire fighters to commemorate fallen personnel and to symbolize the relationship between them and the community they protect. These flags are popular among firefighters, their families, and supporters. We are proud to offer flags designed to honor those who put their lives on the line to preserve our security through service in public safety! Made in the USA. Expertly sewn using 200 DENIER NYLON fabric. 100% made in the USA with printed stars and stripes with brass grommets.