100% made in the USA from cap to glass to ink
Medium 3oz. Bottle
Bulletproof is a Noodlers term for waterproof, bleach proof, lightfast, and archival qualities. Noodler's Black Waterproof Fountain Pen Ink - Bulletproof Genuine Noodler's Quality Fountain Pen Ink for Vintage or New Pens. Ink bottles are plastic momentarily.