Sailor Seiboku Blue Black Ink Cartridges
Boxed set of 12 Sailor Seiboku Pigmented Blue-Black fountain pen ink cartridges. These water-resistant proprietary ink cartridges fit all Sailor cartridge/converter fountain pens except the Chalana.
- Type: Ink Cartridges
- Color: Blue-Black
- Max Ink Capacity - Cartridge: 0.98ml
- Cartridge Type: Proprietary
- Number of Cartridges: 12