This gorgeous Iron-on with Metallic trim is perfect for garments, accessories, home decor and more. This trim has a heat seal iron-on backing for a quick and simple attachment in 3 easy steps. Lay the number on your desired fabric, and place a piece of cloth between the iron and number. Leave the iron on top of the trim for 1 minute. The iron should be on high with no steam. You can also stitch the trim on after you’ve heat sealed it for a stronger hold.