Our American Polyester Flags are recognized as the most durable of all flag fabrics. Polyester U.S. Flags are skillfully crafted of 2-ply 100% polyester fabric. Its open weave construction reduces wind resistance, therefore lessening abrasion and increasing flag life. Polester American Flags resists wear to wind, dirt and moisture and is ideal for industrial and institutional applications. These Polyester U.S. Flags have embroidered stars and sewn Stripes (Appliqued stars 10'x15' and larger)