X-Ray Envelope spray to read private emails
Spy stuff has always had a buyer on the market and was quite a pleasant gift for everyone who cute movies about James bond and the like.
Of course, every spy is simply obliged to learn to read mail without opening it. So he’ll definitely need spray X-Ray Envelope Spray. Spraying a little money on the envelope, you are surprised to find that the thin paper becomes completely transparent, and you can easily see what is inside the wrapper or package.
However, if the paper is folded many times, then you it’s still not very helpful.
Buy a spray can for $16. In the video you can see how it works.