I don't know if these brands are available in Morocco but
Dupli-Color and
Rustoleum offer a peel off automotive coating that is easy to use and touch up or just change the color at some point. Not much preparation needed either. I would be surprised if versions of this are not also made by various other companies around the world. Example here.
Dupli-Color Custom Wrap Removable Coating (11 oz) - DUPCWRCXXX-SERIES (autobarn.net)