* The Twin Marker which is free from toxic solvents.

* Its fast drying, oil base alcohol ink.

* Allow them to write on almost any surface.

* Its highly practical double tip allows you to combine two complementary stroke sizes (fine and superfine).

* Tip size: Polyacetal 0.8/Acrylic fibre 2mm.

* Width of stroke: 0.3 / 0.5 mm.