Here's how it works
Draw your favorite pattern. To sketch it out, use a line-ex pencil (the Ink disappears automatically after a while) or a soft pencil. Pencil contours can be drawn later, after the Marker-Ink is completely dry, carefully erase it.
Draw the drawn contours with a black Marker with fine point after. Then colour in the areas with the various markers. Start with the lightest colour and then use the darker colours. Black color should be the final color.
Allow the finished bag to dry, then apply permanent iron-on film and iron on the colours at cotton temperature .
You should keep this in mind when painting with Posca pens:
Shake the pens vigorously before use and press the spring-loaded tip several times on a sheet of Paper so that the Ink can flow forward. Close the pencils immediately after use to prevent the tip from drying out. Make sure that you paint at an even speed so that the paint is applied particularly evenly.
First draw with a Marker with fine lace the black contours