Write comments and notes on your documents without worry with these acid-free, archival quality pens. The 0.45mm tip gives a medium line. The unique Sakura Pigma ink will not bleed through paper, is permanent, waterproof, fade resistant, quick drying and pH neutral.
* Acid-free
* Archival quality
* Quick drying
* Waterproof
* Fade-resistant
* Permanent