Conforms to ISO17712:2013 Once cut, each wire will unravel, making it impossible to reseal. Unique sealing system prevents tampering. For sealing, sealing, tamper/jam prevention, opening and unopened proof of cabinets, amusement equipment, containers, trailers, trucks, railroad vehicles, etc. Requires nippers or other tools when opening. Laser marking print that will not be tampered or erased. All 10 different numbers (consecutively numbered) are imprinted for administrative operations. No. cannot be selected.