From the people who designed the Stonebook, the Ghost pen is a permanent, spill-resistant marker which is nearly invisible unless placed under a UV light (one is built in to the pen). This makes it great for writing down your mnemonic phrases, private keys, usernames and passwords and other very sensitive information which you wouldn’t want falling into the wrong hands.
Works perfectly with the water and tear resistant Stonebook!
Ghost Pen Features:
- Multi-surface writing
- Nearly invisible until exposed to pure UV light
- Water-resistant (not waterproof)