TWSBI's ink cartridges in a 10 piece pack, available in Black, Sapphire, and Red.
These cartridges fit the TWSBI SWIPE fountain pen, as well as any fountain pen that accepts international standard converters.
TWSBI's ink cartridges in a 10 piece pack, available in Black, Sapphire, and Red.
These cartridges fit the TWSBI SWIPE fountain pen, as well as any fountain pen that accepts international standard converters.