Noodler's Ink, Fountain Pen Ink, Bottle Ink,Multicolor and Multiple Functions

Noodler's Blue Ghost Invisible 3oz bottled ink. Ink is invisible in daylight but glows under blacklight. Also has bulletproof quality - fraud resistant and tamper-proof.Genuine Noodler's QualityInvisible Fountain Pen InkBulletproofMade in USA3 oz Glass Bottle