HIGHEST QUALITY America's #1 choice of U.S. Flags. Made of 100% SolarMax nylon. These flags offer lustrous beauty, superior wear plus excellent flyability even in the slightest breeze. Made in the USA! Free Shipping! All State flags feature 4 Needle lock stiched fly hem, Strong heading and metal thimbles. All State flags are either acid dyed or sewn or a cobination of the two. Colorado flag is Sewn.