Uni Pocket Brush Pen - Soft Type & Hard Type 2 Way & Pentel Aquash Water Brush Pen Profesional Arts Value Set (With Values Japan Original Discription of Goods) Filled with water-based inks and The ink flows easily and dries quickly The thickness of a line can be properly used by one Pen Since it is a type with which ink permeates directly, it can write finely to the last one drop. A more variegated expression is possible by using two kinds of types properly and It becomes possible because thin, extend or a variegated expression uses a water brush. They are the very inexpensive goods made 2 sets