Proudly Fly this Flag! 10' x 15' U.S. Flag is made of 100% heavyweight DuPont nylon with embroidered stars and sewn stripes. Sewn with a heavy white polyester canvas header and nylon ropes with galvanized metal thimbles for added strength on the left side. Fly end is reinforced with superior,bonded nylon thread stitching for extra durability and strength.