These inks are all bulletproof, however they represent further and more durable developments in the hindering of potential new tools of forgers i.e. they have all the qualities of their other bulletproof cousins but they have a few new features designed to help fight forgery. In order to remain ahead of the forgers these features have not been disclosed.
Most of our stocked Noodler's Inks are in the GLASS bottle with a 3oz capacity (approx. 90ml in Euros).
The Brexit, Monkey Hanger and Britannia's Blue Waves are currently exclusive to Pure Pens.