The Ecoline marker pen is very easy to use and apply, it adheres 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:
506 ultramarine deep, 522 turquoise blue, 533 indigo, 505 ultramarine light, 551 sky blue light.