We usually sell these with retail package (set), but can send them in bulk (individual). Please select individual if you don't want the retail packaging. Highest quality embroidered patch. This patch has industrial strength iron on backing adhesive that will adhere to any material. The adhesive will last a long time if applied and cared for properly. This type of backing features glue which, when heated, adheres your patch to your garment. They’re best to apply on materials that can withstand high heat such as cotton and polyester. Once your heat seal patches have been attached, they are washable, dryable, and can even be dry cleaned. We do not however recommend laundering them at high temperatures as that will activate the glue which may cause your heat seal patches to loosen from the garment. Iron on Black Colorado Flag Patch with embroidered border. Approximately 3 inches by 2 inches