Compare Noodler's Ink Ink bottle, Ink series Black ink (Black-Bulletproof)

Bulletproof (UV resistant, bleach resistant, etc.) = Yes Eternal (Archival, fade-resistant) = Yes Forgery-Resistant (Impervious to lasers, alcohols, solvents, ideal for security documents) = Yes Water-Resistant (waterproof) = Yes Fluorescent (Glows under UV light) = No Lubricated (Lubricated inks for piston mechanism) = No Freeze-Resistant (Resists freezing at extreme low temperatures) = No Noodler's Black 3 oz The only eternal black ink. Bulletproof on cellulose paper, yet washes off plastic with water.All Noodler's Inks provide Archival Quality An ink designated by Noodler's as 'bulletproof means it stands up against bleach, UV Light, industrial chemicals, etc., making it impossible to forge a check! The cellulose reactive dyes are completely water soluble in your pens and in the bottle, but once the ink dries on the paper, it is totally waterproof and permanent! Note: If you mix the bulletproof inks with regular ink, they will lose their properties, and revert to regular ink!