【How to use】Put the PATCH on the place you want, and preheat the iron(120-150°C). You can put cotton fabric on the patch to secure the cloth before ironing. 2, From 2 sides of cloth ,respectively iron 30-60 seconds with pressure to ensure that the adhesive melts and fix well. 3: Finally, iron from the front for 1-2 minutes, the main position are edges and corners, to ensure the smooth surface,if you want them better,it is best to sew the four corners.【Tips】These embroidered patches remain the same wash after wash and can be machine washed and dried. But you will need to turn the clothes inside out before washing. It will not fade over time with safe & harmless materials to our skin. 【NOTICE】- do not move the iron around, because it will sheer the patch sideways from the adhesive and you'll wind up with adhesive on your iron or the patch kind of sloppy. Use a pressing cloth and press down directly without moving the iron around. out moving the iron around.