Here it is: the universal pen Writes on protection foil … … and can be removed easily WITHOUT SOLVENTS,
but a microfibre cloth. The upper part is clean again! Writes on PLEXIGLAS®, ACRYLITE® … … and Polypropylene. First on the foil, and then … … on the sheet itself. Clean WITHOUT SOLVENT.
No blunt surfaces any more! Well done, Roland! Comes with sharpener and three microfibre cloths.