Security envelopes 250x350 + 35 C4 250/pack

Security envelopes for efficient and secure handling of keys and codes. Tested and certified by SBSC. Each security pouch is uniquely numbered with digits and barcode, code 128. Tear-off numbered control strip above the seal. The pouch cannot be opened and resealed without direct visibility, whether by heat, cold, chemicals or mechanical damage - Dimensions: 250x350mm+30mm