Sakura Pigma Sensei Manga Set of 4 Rotring Isograph but also useful items such

but also useful items such as a small notebook

and many of the world's most historic documents have been written using it

while the small will fit Minigraph and Victory

The Special is a minimalist octagonal pen

It's safe to use in all brands of fountain pen and is one of the finest inks available

Sakura Pigma Sensei Manga Set of 4 Rotring Isograph but also useful items suchSakura Pigma Sensei pen with archival quality ink which is acid free, chemically stable, waterproof, and fade resistant. No smears, feathers, or bleed through on most papers. This is a durable drawing pen ideal for creating manga, anime and graphic art. Set of 4 in assorted tip sizes.