Flags Unlimited offers a complete line of United States, American and State flag Iron-On patches for sale. We offer American, State and U.S. flag Iron-on patches for sale in the most common size of 2.25”x3.5”. Go ahead and compare! The patches are 100% digitally embroidered for the precision needed for fine detail. They have a high quality heat sealed backing for ironing on T-shirts, pants, sweaters or hats. You can also sew them on.