The India ink will not bleed through papers, including vellum and parchment. The ink is lightfast, acid-free, permanent and archival. Unlike other pens in the market, the Pitt Artist Pens are non-toxic and have no odor. They are extremely fade-resistant, smudge proof and waterproof when dry.
The Calligraphy Pitt Artist Pens are great for lettering greeting cards, note cards, envelopes, journaling, scrapbooking and other paper crafts.
The Metallic Pitt Artist Pens have a 1.5mm nib that does not require pumping or priming.
The Faber-Castell Pitt Artist Pens are not refillable. They are disposable pens.