Platinum Carbon black Ink Cartridge Pack of 4 is pigmented ink suitable for fountain pens.

• Great for all documents and drawings.
• highly water-resistant,
• pigment-based
• highly sought after by artists
• 4 ink cartridges in a Box
• Platinum cartridges can only be used in Platinum pens
• Made in Japan

Tip:  The ink does have the potential to clog pens if not used according to instructions. If the pen is not used regularly, flush out the ink.