Tombow Dual Brush Pen Set, 9 Pastel Colors Plus Brush Pen, 10 Piece Set (56146) Two tips - a high-quality, flexible, nylon fiber brush tip and a fine tip Water-based ink is odorless, nonbleed, and blendable Blend colors easily using the Blender Pen, and create subtle washes by dipping tip in water Acid-free, non-toxic 9 Pastel Colors plus blender pen: asparagus, carnation, coral, glacier blue, mist purple, pale yellow, mint, purple sage and orchid