Features:

1， are contained in a water-soluble color， with painting color cartridge;

2， with high brightness and high quality pigment color cartridge compatibility;

3， bright and colorful and can be integrated with each other， unlimited color changes;

4， the pen body hard and difficult to break， soft， clear handwriting;

5， the product is harmless environmental health;

6， the color of lead into a watercolor painting， the first water splashed stained water， then lightly draw on the color of lead， lead color colorful watercolor painting becomes