Tombow Dual Brush Pens ( Primary Palette )Set of 9 colors and 1 blender pen, with flexible brush tip and fine tip in one marker Durable nylon brush tip can create fine, medium or bold strokes Fine tip gives consistent lines Included colorless blender pen softens and blends colors, creating a watercolor effect The water based ink is non toxic, blend able, non bleeding, and odorless, Ideal for professional fine art and crafts, Tips self clean after blending