Although most of our Patches have an iron-on backing, we recommend that you sew them on for longer lasting results. Our Patches are made from colorfast threads on heavy backing to keep their shape and good looks. Get one of these Patches and show how proud you are to have served your Country. Or, give one to your favorite retiree. These Patches measure approximately 3 1/2 x 2 inches. Your satisfaction is guaranteed, period. Usually ships within 3 - 5 business days.