X-ray Spy Spray: Envelope X-RAY Spray turns opaque paper temporarily translucent, allowing the user to view the contents of an envelope without ever opening it. 30 seconds after the application, the envelope will return to its original state, leaving absolutely no markings, discoloration, or other indications of use. Each can treats several hundred square inches. Non-flammable, non-conductive, and non-photochemically reactive. Environmentally-friendly (contains no Freon or ozone-depleting compounds). Net weight: 9 oz.

Aertrax Ii Vehicle Location System The Aertrax system is an Automatic Vehicle Locating (AVL) Asset Location System (ALS) that provides dependable tracking and locating services.
Uv Pen The ink in this pen is invisible to the naked eye, so any paper you write on will appear to be blank.
Uv Detection Powder This ultraviolet detection powder is designed for the detection and identification of stolen and altered items.