Zig Clean Colour Real Brush is part of the Zig Arts & Crafts Range.  The ink is dye based, and water- soluble. You can  blend these pens together tip on tip to achieve graduation. You can also wash colour out with a water colour pen to a create a clear to colour graduation.Chose your colours from the list below. We have most  colours  left in stock  and you can blend two pens together to create a different colour