The security envelope is used for transporting and storing particularly valuable mail such as bank deposits, secret documents, keys, etc.
The security system used in this envelope protects the contents from interference by third parties. Any attempt to open the envelope will leave visible signs of interference with the contents. Any opening of the envelope is irreversible.
- available colors: white, transparent,
- available formats: B4, B5,
- packs of 1000 pieces., (i.e. 5 packages of 200 pieces, including 4 small packs of 50 pieces each).