This 30 x 60 ft. United States flag is made of 100% heavyweight SolarGuard nylon with appliqued white stars hand sewn alternating red and white stripes. Sewn with a premium quality extra-strength polyester thread, seams are double-stitched with back-stitch reinforcement, six rows of lock stitching and reinforced corner patches on the fly hem. #10 white nylon rope is sewn into the entire length of the header to stabilize and prevent bunching with 2 galvanized metal thimbles are attached using triple crimped rope sleeve at each end and 7 rolled rimmed grommets throughout the header. Our flags are made in the U.S.A. to Government Design Specifications.