The Patch measures 3x3 inch This is an Embroidered Patch The Patch can be sewn on to leather vests and jackets Patch can also be ironed on to Denim Jeans, Hats, Coats or Shirts The Patch has a plastic iron on backing. Heat Press at 285 Degrees for 30 Seconds. The embroidered patch is made for decorating jackets, vests, jeans, shirts and hats. The patch can be sewn or ironed on to your clothing. Do not iron on patches to leather or nylon materials. Iron on glue requires 30 seconds with a heat press at temperature between 270-290 degrees Fahrenheit. We recommend you sew on your patches for a more durable attachment.