Valley Forge G-SPEC flags are made to the exact specifications required by the U.S. Government. The premium flags are made of exclusive Perma-Nyl, high-tenacity, industrial strength 70 denier lightweight nylon. They are made with lock-stitched seams and all stitching is done with thread that matches the flag. G-SPEC flags are made in accordance with U.S. Code, Title 4. Flags are 100 percent American made for superior quality.