Tombow Dual Brush Blender Pens, 6 Pens/Box (66645)
6 Piece Box.  The convenience of a flexible brush and a fine tip in one pen.  High-quality, resilient brush retains its point stroke after stroke.  Blends colors easily.  Non-toxic, acid-free, odor-less.  Ideal for fine arts and crafts.  Colorless Blender.