Nylon hair brush pen. Artist brush for mangas, comics, cartoons, etc., in black. High-quality brush tip made of nylon fibers. Ideal for drawing outlines. Soft brush tip with variable line thickness. Refillable (4 replacement cartridges included). Can be painted over with watercolors or felt-tip pens after drying. The Pentel Pocket Brush is an essential companion for every artist. The pigmented ink is waterproof and lightfast once dry, making it excellent for drawing outlines. Innovative and proven writing instruments for everyday use. The company Pentel was founded in 1946 and initially focused on producing watercolor and oil paints as well as drawing pencils for kindergartens and schools. Numerous achievements in the world of writing and painting products are thanks to its own research and development laboratory. Examples include the first 0.9 mm fine lead for mechanical pencils, the first fiber tip pen "SignPen," the first rollerball pen "Ball Pentel," and the first correction fluid with a writing tip instead of a brush. For over 70 years, Pentel has continuously worked on new and improved developments that make our daily lives easier, particularly in writing, drawing, and painting.