US Flag StoreÆs Embroidered Nylon American flags are made out of DuPont SolarMax Nylon, a material created specifically for outdoor flags. This ensures our embroidered nylon American flags are one of the toughest nylon flags on the market, able to endure varied weather conditions, bright sunlight and ultraviolet radiation. Nylon is particularly suited to be flown in damp or maritime environments. In addition to being exceptionally tough, SolarMax Nylon is also very lightweight letting these flags fly in gentler breezes than polyester flags. Our 6ft x 10ft American flag, which is made in the USA, has these quality features: the stars are densely embroidered to ensure a beautiful star field, the stripes are sewn and backstitched for added reinforcement, the fly hem is reinforced with four rows of lock-stitching and the poly-duck header is finished with two solid brass rust resistant grommets.