Pigma Micron Fineliner Pens feature archival-quality, waterproof, fade-resistant ink for use in acid-free environments. These black pens prevent smears, feathers, and bleed-through on most papers. Certified non-toxic and bearing the trusted Ap Seal, they re ideal for graphic art, scrapbooks, archival recording, pen and ink illustrations, rubber stamps, cartooning, and more. Handle small nibs gently to avoid bending. Rely on Pigma Micron's precision and permanent ink for projects that require fine, lasting detail. Seven point sizes allow for creative versatility.