Sailor Souboku Cartridge Ink - Deep Blue - 12pcs.
Sailor has arrived with a new pigment based ink color, the Souboku. A deeper darker blue color for writers and artists who like a deeper shade of blue than the previous color, the Seiboku. The Souboku comes with waterproof, permanent and lightfast quality.
Fits all Sailor cartridge/converter fountain pens except the Chalana.