JEFF-SECUR COURIER SECURITY ENVELOPES
100% recyclable & environment-friendly 
JEFF PACKAGING LTD's courier security envelopes are used by most of multinational courier companies for secure delivery of their client’s documents & value. Jeff advance feature “5 second” hot melt self-sealing adhesive closure system. Plus six different tampering resistant features that make our courier bags so special within industry. Jeff care about environmental pollution issue, so we use 100% recyclable materials for producing our bags today.
Special Features:
- Yellow ink change to black color will appear on the closure if heat rose up to85°C as part of a tampering attempt.
- In the yellow color tape that can dissolve in water as part of tampering attempt.
- It was double welding with micro print along the both sides of the edge.
- Security bags may be print with a running number (barcode)
- The lettering “STOP “is visible if the bag is tear open. Also tape will not recover from damaged. The stuck sign “STOP” on LDPE cannot be erase.
- Jeff using a special ink to printed writeable areas on the bag.
- Other sizes and thickness are available on request.