Noodler's Ink is 100% made in the USA from cap to glass to ink. Archival quality inks in large 3oz. bottles for vintage or new fountain pens. An amazing ink with a bulletproof core of Caesar's purple with colors of an inferno that wash away with excess liquid. As it dries, there are shades of brass that shine on some papers. On absorbent paper, the core color will be centered as the inferno colors surround it.