Browse our wide selection of super tough spun polyester American flags for year round, heavy wind patriotic decoration. Spun polyester is the most durable fabric used to make flags and the open weave construction reduces fabric stress and resists high winds and heavy wind gusts. We offer a 6-month limited warranty on super tough polyester flags so buy with the confidence that you are getting the best polyesterAmerican flag on the market. Designed specifically for outdoor use these polyester flags are made to resist fading and fraying that can occur from natural sunlight, rain, wind and other elements. Super tough polyester flags feature sewn red and white stripes, bright white appliquéd stars and roped canvas headings with thimble ends.