Noodler's "Bulletproof" Black in a 4.5 oz (~133 mL) glass bottle.
- Archival and fade resistant
- Forgery resistant, impervious to lasers, alcohols, and solvents
We do not recommend using any Bulletproof or permanent black inks from Noodler's in any expensive, heirloom, vintage, or demonstrator pens without extreme caution. Exercise good pen hygiene and maintenance when using.
Take care when opening - each bottle of Noodler's is filled to the brim!