This Solid Yellow Color, 18" x 18" Flag is made with 200 denier nylon that look great and flies easy and has a header with brass grommets. The 18" x 18" Yellow Outdoor Nylon Flag is extremely eye-catching. This is also the Nautical Code Signal Flag for Q and the Quarantine Flag. This color may vary slightly from pictures shown due to nylon dye lots and your monitor settings.