This item is part of a limited purchase from a private collection. Please note: while some patches in this batch may include iron-on backing, most do not. For secure application, we recommend sewing the patch onto your garment or accessory. Tracking numbers furnished on all orders. Be sure and check all of our offerings at https://www.ebay.com/str/bigtexmall we have well over 1,400 items in stock and ready to ship. We have military patches from World War 1 to the present. From our military family to yours 2" x 2" Embroidered Patch measurements may be off a bit colors may vary a bit depending on your monitor These patches vary slightly from time to time. If you have a problem with the shipment, please give us a call or message and we will take care of the problem. 18th Engineer Brigade Great quality patch, detailed embroidered image SEW-ON PATCH ONLY - NOT HOOK LOOP s41