Ever wonder if a package that you have received in the mail had been tampered with? How do you know if the package has not been opened or dropped? Double Defense can determine if your box has been meddled with. It is said to be 100% accurate, easy, cheap, and the best part is that it is a simple sticker.
This high tech sticker knows exactly what your package has gone through during its journey. It relies on optic technology and it’s impossible to forge