The Washington state flag consists of a dark green background on which the state seal is centered. The image of George Washington, the United State's first president, is in the center of the seal. Encircling the image of Washington is a gold band with the words "The Seal of the State of Washington". The year "1889" below Washington, is the year Washington was admitted to the Union. The flag's green background matches Washington's nickname - The Evergreen State. Washington's state flag holds two distinctions: it is the only one of the 50 state flags to have a green background and feature a president of the United States.
Washington flags for outdoor use are constructed of a durable nylon fabric especially developed for flag use. Nylon's tight weave provides maximum beauty and flyability as well as brilliant, fast colors. Its weave helps shed pollution, dirt and grime that the looser weave alternatives absorb. Nylon is water repellent and mildew resistant.