Mark Items and Write Messages in Permanent, Invisible Ink, Only Readable Under Black Light
This permanent invisible ink pen and black light combo pack allow you to distinguish property like yours and yours alone.
Writes in Permanent Invisible Ink
Can Write on Most Surfaces
Included Black Light
Mark your personal property discreetly with this Invisible Ink Pen & UV Light. This pen allows you to detect and identify your property instantly; just simply mark your valuables with your name and phone number. This pen will mark all surfaces including glass, paper, wood, plastic, and cloth with permanent, invisible ink. Under ultraviolet light, the marks become clearly visible. One pen will mark over 1,200 valuables. It can also be used to write personal messages that will only be readable under a UV light.