This tag also called E-Seal tag,is a high security bolt seal,designed fo r ISO container cargo shipments with RFID antenna built in, iusually s used in areas where long-range reading,anti-collision,multi-data reading,high speed identification and unique authentication ID functions are required.With the RFID tachnology,this E-seal tag can monitor for tampering to ensure the integrity of container shipped around the world.Can be delivered pre-printed with customer logo, barcode and human readable serial number (laser engraved).Pre-programming and personalisation services for E- Seal fully supported.