Size: marked on the photos. If you are a fan of the US Air Force or know someone who is, you will love this set of embroidered iron on patches. This set includes four patches that represent the US Air Force in different ways. These patches are made of high-quality polyester and have a smooth and shiny finish. They are easy to apply on any fabric with a hot iron or a sewing machine. Just peel off the backing paper, place the patch on the desired spot, and press with a hot iron for 15 seconds. Alternatively, you can sew them on with a needle and thread. You can use these patches to customize your jacket, vest, hat, bag or any other item you want to wear for Halloween or any other occasion. You can also mix and match them with other patches to create your own unique look. Whether you want to dress up as a pilot, a soldier, a veteran or anything else, these patches will add some extra flair to your costume. Order yours today and get ready to soar!