6 Step patch Attaching Garment should be clean & freshly laundered for attaching patch. Here are the basic instructions for setting our iron on patches. Step 1: Set iron to "COTTON", 400 degrees, for one minute. Step 2: Thoroughly iron area of garment where patch will be placed. Step 3: Spray water light on the back. Position your patch where you desire, Place it on garment, embroidery facing up. Step 4: Place cloth or light towel over patch and using a slow circular motion, press firmly for 30 seconds. Step 5: Let cool for one minute. If edge of patch can be lifted, repeat step 5. Note: You can either sew on or iron on all patches that we sell. * Permanent of application guaranteed by sewing. Don't use on uniron able fabrics (low melting point) such as nylons, vinyl, or leathers. Don't BLEACH. Wash at moderate temperature. In the rare case a patch loosens, it can be re-attached by repeating step 5 and 6.