These 3' X 3' airfield and construction USA made safety flags meet FAA requirements for airport construction job sites. Ideal for marking airport vehicles and airfield job sites, these bright orange and white checkered flags are made in the USA from a heavy 200 denier nylon for long life. Other uses for these airfield flags includes: the marking of taxiways, stranded airport equipment and tall structures such as crane booms. They have a sewn in pocket to accommodate a standard 1" diameter pole or wooden dowel.