Instructions for use:

Select the patch and separate it from the cardboard.
Clean and iron the part of the fabric on which you will place the patch.
Preheat your iron to 350 degrees without steam.
Heat the part of the fabric where you will place the patch for 20 seconds.
Place the patch on the previously heated part and cover it with baking paper / cloth.
Iron the patch for 30 to 40 seconds in a circular motion, then repeat on the other side.
Check the patch and repeat the process if necessary.