which is permanent

The ink is acid-free

This set is designed for both professionals and hobbyists

7 mm lead size

and detailed artwork

zig kuretake clean color real brush pen Painting on stones which is permanentThe ZIG Clean Color Real Brush pens have a super smooth nylon bristle tip and come filled with water based ink. This brush pen is probably the closest you will come to using a regular real brush. The ZIG Kuretake Clean Color Real Brush pens are available in 89 different colors, which includes a great range of greys + a colorless blender. The colors easily blend together and can be mixed with water to create beautiful watercolour effects. Perfect pens