Tombow's ABT dual brush pens are double-sided with a brush tip on one end, and a sturdy fine tip on the other. It's a favorite among artists who have used it to doodle, draw, illustrate, journal, hand letter, and color. The flexible brush tips can create fine, medium and bold strokes. Every pen is water-soluble, has ink that can be blended, are non-toxic and is odorless. Choose from 96 colors.