Against the static, electromagnetic interference and moisture.Against water and oxygenMoisture barrier bagFeature:It has three functions of resistance of the static, electromagnetic interference and moisture.It could be firmly hot sealed and strongly laminated between different layers of material; Four cornered solid construction make it also has good function of resistance of the water and oxygen.It can endure to piercing well. This kind of bag applies to package electronic products with moisture-proof requirement: Such as PC boards, IC integrated circuit, CD driver, hard disk and electron component partsetc.