This 15 x 25 ft. United States flag is made of 100% heavyweight SolarGuard nylon. Sewn with a premium quality extra-strength polyester thread. Seams are double-stitched with back-stitch reinforcement and six rows of lock stitching on fly end. Appliqued white stars and sewn stripes, finished with a nylon rope sewn into the heading with galvanized metal thimbles. Flags are made in the U.S.A. to Government Design Specifications.