How to iron on patch ? Step 1: Place the patch where you want it, preheat the iron to 240-300°F (120-150°C), you can place a cotton cloth over the patch before ironing.Step 2: Press iron from both sides for 30-60 seconds to make sure the hot glue melts and sticks well.Step 3: Finally, iron for 30 seconds from the front, mainly in the corners, to ensure a smooth surface.Step 4: After waiting for the patch to cool, check it, repeat the steps above for any areas that were not ironed. How to iron on patch ? Step 1: Place the patch where you want it, preheat the iron to 240-300°F (120-150°C), you can place a cotton cloth over the patch before ironing.Step 2: Press iron from both sides for 30-60 seconds to make sure the hot glue melts and sticks well.Step 3: Finally, iron for 30 seconds from the front, mainly in the corners, to ensure a smooth surface.Step 4: After waiting for the patch to cool, check it, repeat the steps above for any areas that were not ironed. Applicable style: dark, punk, goth, retro, band, preppy, motorcycle, horror, heavy metal, hippie, rock. Applicable style: dark, punk, goth, retro, band, preppy, motorcycle, horror, heavy metal, hippie, rock.