Thanks for Choosing our Chicago, IL City Flags. Our Chicago City Flags are made with Heavy Duty Outdoor SolarMaxTM Nylon. The Flags are printed in Bright Vibrant Colors and Finished with Strong White Headers and Brass Grommets. And is Finished with 4 Rows of Lock Stitching on the Fly End. All our Chicago City Flags are 100% Made in the U.S.A.!