Kuretake Fudebiyori Brush Pens have beautiful traditional Japanese colors. Their easy-to-use felt tip and built-in ink supply combine the convenience of a regular maker with the expressive line variation of a traditional brush. They are suitable for sketching, illustrations, coloring books, and postcards. Felt brush tip creates a variety or thick and thin lines. Water-based, dye-based ink that can be blended with a water brush to create painterly watercolor effects.