Valley Forge U.s. Flag - 4ft x 6ft 4'x6' Nylon US Flag by Valley Forge Flag. Flag is 100% made in the U.S.A. This flag has sewn stripes and embroidered stars. Perma-Nyl 4x6 feet US Flag. This 4'x6' nylon U.S. flag comes with brass grommets. This flag has sewn stripes and embroidered stars. Flag is 100% made in the U.S.A.