Envelope X-Ray Spray
The Envelope X-Ray Spray is a new way to view the contents inside of a standard envelope without even opening it. The X-Ray Spray works by covertly turning paper into a transparent material, and then back to normal again in about 30 seconds with no indication of use at all. Each can of spray can treat hundreds of envelopes in its life time. The X-Ray Spray is non-conductive and non-photochemically reactive, contains no Freon, and is environmentally friendly.