Unsurpassed in beauty and craftsmanship, these nylon outdoor flags are manufactured to precise specifications. District of Columbia Outdoor Nylon Flag 3'x5' It’s an armorial design based on George Washington’s coat of arms. Extremely durable and fast drying, nylon flags are the most popular choice for outdoor flags. Expertly crafted using 100% heavyweight, 200-denier nylon bunting, and treated to resist sun and chemical deterioration.