The Ecoline pen is very easy to use and apply, it sticks perfectly to cardboard, watercolor paper. 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:
666 pastel green, 580 pastel blue, 579 pastel violet, 390 pastel rose, 738 cold gray light.