SAFE ENVELOPES B4 Opaque
B4 opaque safe envelopes with outside size 275 x 375 mm +35 mm.
|Other colors available on request.|
– Made of three layers of very durable foilg
– Closed with special tape which is very susceptible to any attempt of unauthorized opening
– These are the only envelopes equipped with heat indicators
– They indicate any attempt of thermic opening
– Consolidated welders with overprints secure envelopes from cutting and another welding
– Identification number is printed in four places, namely under securing tape, on two detachable sections and in bar code (it helps to control deliveries and precludes any attempt of exchanging envelopes)
– The envelope has a panel for handwritten notes
– Inscriptions in 3 languages: Polish, English and German
– Possibility of making special client’s inscriptions!
Sizes of the envelopes:
B4 – outside size: 275 x 375 mm +35 mm
Color of the envelopes:
– All envelopes are packed in packets of 100, with numbering on the box.