100% Heavyweight SolarGuard Nylon. Features strong duck heading and two large brass grommets. Durable and fast drying. This is the Flag of the U.S. Coast Guard Auxiliary, a civilian organization formed in 1939 formed to bolster the official Coast Guard. The organization consists of voluntary boaters who provide support to the Coast Guard in the form of equipment, education, and inspection. The Flag features a white stripe on a blue field, with the Auxiliary emblem in the center.