Pro Tips
For the truly adventurous, we recommend upgrading to our Pro Ink upgrade, which includes:
- Double the ink capacity of the standard upgrade
- Quadruple the font size of the standard upgrade
- Optional: add a free upgrade to our premium eraser upgrade
Technical Details
Our Advanced Ink upgrade uses the latest in cutting-edge technology to provide unparalleled writing experience.
- Upgraded ink cartridges: Learn more about our Advanced Ink Cartridges
- Improved ink flow system: Learn more about our Improved Ink Flow System