ASR Federal UV Security Spy Invisible Ink Pen Permanent Marker, Pink

COVERT MESSAGING The ASR Federal UV Invisible Ink Spy Permanent Marker Pen writes invisibly without detection on almost any dry surface like paper, metal, glass, paint, skin and even currency.

The invisible ink permanent marker pen is an essential tool in your arsenal of spy supplies.

Ideal for marking sensitive notes, personal property, theft detection or covert communications, this pen will come in handy in all sorts of espionage situations.

The markings will remain invisible until illuminated by a UV light or UV flashlight.