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:
233 chartreuse, 202 deep yellow, 201 light yellow, 236 light orange, 226 pastel yellow.