Aluminum Foil Moisture Bag Function: Moisture Barrier & Vacuum & Antistatic Constructure: PET/ ... /PE, PET/AL/PA/PE Moisture Marrier Bag in Aluminum Foil with Electrostatic-proof for ElectronicsFunction: Moisture Barrier & Vacuum Bag & ... driver, PCB board. HD etc.7. Application :to package large machine ,electronics ,telecommunication8. performance :resistance of static and moisture,Superior puncuture ...