The Ecoline pen is very easy to use and apply, it sticks perfectly to cardboard, watercolor paper. A concentrate of water-based paint (watercolor) in a liquid form in a handy pen with a brush tip. Ecoline is also very versatile and in addition to its wide use in creative forms, the hobby is also used in education. Works should be kept away from light to prevent color loss.
The set includes 5 colors:
350 fuchsia, 507 ultramarine violet, 545 red violet, 361 light rose, 548 blue violet.