On The Run made this pen in collaboration with the famous graffiti artist Niels Shoe Meulman for what they call Calligraffiti

but they work really well with normal paint brushes and airbrush as well

and pH-neutral

The varnish can be removed using white spirit or turpentine

For the best mirror effect on smooth and non-absorbent surfaces

talens ecoline brush pen 30 set Idwrap On The Run made this30 pack of Ecoline brush pens. The pens have a soft brush tip and are filled with liquid aquarelle colour. The colour is semi transparent and can easily be mixed with water (even after it has dried). The colour is fast drying and is adapted for paper or cardboard. The Ecoline pens are perfect for illustrations, drawings or writing and you can easily mix the colours for smooth transitions. Scroll down on the page to see which colours are included in