TWSBI ECO Cosmo with Onyx Fountain Pen

TWSBI is pleased to announce the Cosmo pen in their mixed color series for the ECO.

A piston fill fountain pen made for the beginner who wants to try out a fountain pen, all the way to the expert! This everyday work pen is easy to fill and holds a lot of ink. The pen cap can be posted and has an inner cap to insure a perfect seal when stored away.

Simply unscrew the end cap, dip into ink, screw back the end cap, and you're done! Ready to write!

nib: Steel

ink: piston-fill mechanism

**Every pen will be unique in pattern variation, as these patterns are completely random during the injection process and cannot be chosen. Note: this pen does not glow in the dark.