The tip is made of durable nylon

The ink is both water- and fade proof once it is dry

This set includes 12 basic colors

Black pen with permanent alcohol-based ink

Perfect for both porous and non-porous materials

tombow have fun at home watercoloring set hiddenproduct The tip is made ofWater based brush pens are a flexible and easy alternative for the traditional watercolours and brushes. In this set from Tombow, you get everything you need from the first sketch, to finished work of art. This set has everything you need, and its even 30% off! Well only have these for a limited time period, so dont wait too long to get it! Its a perfect gift for someone you love, or yourself! The set includes: 7 x ABT Dual Brush Pens: 055, 277, 555,