Colorfast threads on heavy backing keep our United States Marines Aviator Flight Suit Patches looking great. Although most patches have an iron-on backing, we recommend that you sew them on for longer lasting results. One of these Patches - Flight Suit is a great way to identify the Aviator specialty and training that you or someone you know worked so hard to achieve in the Marines. These Flight Suit Patches measure approximately 4 1/2 x 2 1/2 inches. Your satisfaction is guaranteed, period. Usually ships within 3 - 5 business days.