Here is that hard to find black light invisible blue ink for hand stamps and other unique security applications. Shows up only under black light.
Will not wash off easy like other brands but can be washed off after several washings. Only visible with a Black light. Great for document marking too!
Glows Bright Blue.
Super Black Light Reactive! Invisible Blue Water Based Ink.
Available in One, Four, and Eight oz bottles
All purpose Blue Invisible Ink will eventually wash off. It is water based. For a more permanent ink for object & security marking we recommend our Neon Blue solvent based ink. This ink is ideal for hand stamping and paper marking or temporary object marking. Totally invisible!
Great For Nightclubs, Secure Prison Entry, Theme Parks, Ticket stamping & All Other Secure Entries.
NOT FOR PERMANENT MARKING! HAND STAMPING OR PAPER MARKING ONLY!