This enamel Airport Pin celebrates the San Francisco International Airport (SFO), a major gateway to the West Coast. Designed in the shape of the state of California, this pin is crafted in high-quality hard enamel, offering a smooth surface, flat finish, and exceptional durability. Features:• Maximum length: 1.5 inches• Finish: Hard enamel with a smooth and flat surface• Double rubber clutch: Provides extra security and stability• Back stamp: Aviation Pin logo for authenticity• Custom backing card: Features a unique design to match the pin