Tombow dual brush pen - complete palette of 96 colors with flexible brush tips and fine tip in one marker. Brush tip works like a paintbrush to create fine, medium or bold stokes; fine tip gives consistent lines. Water-based ink is non-toxic, acid-free and odorless. Colorless blender softens and blends colors, creating a watercolor effect. Ideal for fine artists and crafters-perfect rubber stamps. Ap non-toxic.