Acid Free Writing Pen - Blue

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