Invisible UV ink is almost invisible on most surfaces. On white surface, you may only see some traces. These inks react to UV black light by changing color. Suitable for use in stamp pads or fountain pens.

Practical applications would be to mark documents or hand stamping, which is usually done in clubs to identify patrons.

Invisible UV Ink is available in the following colors:
1) Orange
2) Green
3) Blue
4) Red
5) Yellow
6) Purple

Invisible UV Ink is available in the following sizes
a) 15ml (1/2 ounce)
b) 100ml (3.3 ounces)

This order is for Invisible UV Ink only. Stamp pads and fountain pens are Not! included.