* Pigma Micron fineliners are water-resistant and permanent, often used by designers, scientists, archivists, manga artists, cartoonists, illustrators, and hobbyists. * This pen is also recommended for Zentangle. * The fine tip makes this pen ideal for creating technical and artistic drawings. * The unique Sakura Pigma™ ink does not bleed through paper and is permanent, waterproof, fade-resistant, quick-drying, and has a neutral pH. * This set includes: 3 black Pigma Micron thick-tip pens: 1 x 08 (0.50mm), 1 x 10 (0.60mm), 1 x 12 (0.70mm).