G-Spec American Flags are the line of flags that the US Government has specified. These American flags are made in the USA in accordance with the U.S. Code, Title 4 from high tenacity, industrial strength-70 denier light weight nylon. Each US flag is made with lock stitched seams and color matched thread. These United States flags heavy canvas duck headings constructed to government standards and solid brass, toothed grommets. Half the size of the post flag, this 5' x 9½' American flag is known as the storm flag, and is flown on US Military bases during bad weather.