Our Large United States Air Force Patches are made from colorfast threads on heavy backing to keep their shape and good looks. Although most patches have an iron-on backing, we recommend that you sew them on for longer lasting results. These Patches look great on the back of a jacket! Show your support for the Air Force with these Patches - Large. These Large Patches measure approximately 10 1/2 inches. Your satisfaction is guaranteed, period. Usually ships within 3 - 5 business days.