This Brush Pen from Pentel is a must have for all kinds of art including sketching, cartoons and lettering. If you love drawing Manga-style art or Oriental calligraphy then this brush Pen is a must have. This Pentel pen is clean to use and pocket safe so you don\'t have to worry about mess and leaks. Each cartridge contains a quality water and fade resistant black pigment ink, enjoy the convenience of a pen that can create fine and broad lines all in a single stroke.. Ideal for drawings, cartoons, Manga-style artwork and Oriental calligraphy . Permanent black pigment ink. Water and fade-resistant. Clean and simple to refill. Create fine to broad lines with a single stroke. Includes 4 ink cartridges - Refill with FP10 cartridges