PAC SAFE PLUS VOID Envelopes with numbering and tamper evident system Tamper Evident Security Bag                 Our PAC SAFE PLUS (VOID)envelopes hide their numbering in the inside. The numbering is guaranteed unique and there is no way to modify it.     They are provided with a tamper evident tape Keep attention: in order to activate the security tape, you have to tear off the transparent protection. Be sure that the closing system is been along its whole length.                     Maximum security is assured by the closing system: if you try to tear off the closing tape, it will show the tampering attempt                     Personalization: We can customize 30% of the envelope's surface. It becomes an excellent advertising medium. Minimum customizable quantity: 10.000 piecs.     Also this envelope can be personalized with one or more colors. Width of the envelope: from 6 to 10 micron.  Standard Dimensions : 110x150+35 mm 125x180+30 mm 170x225+25 mm 200x260+25 mm 230x325+25 mm 260x330+25 mm 270x350+25 mm 275x400+25 mm 325x425+25 mm 330x430+25 mm 350x460+35 mm           Once you have torn off the tape, it will not stick any more and it will be impossibe to hide the tampering.