The shielding bag material contains three layers: PET/AL/PE, that is, static dissipative polyester outer layer, aluminum shielding middle layer, and anti-static polyethylene inner layer. The kind of bag can keep static-sensitive components away from the potential static danger to the largest extent. In addition, this kind of hot-seal bag is transparent, so the goods inside can be easily recognized from outside esp. For barcode reading. We can also make the bag into easy-opening type to improve customers' work efficiency. The surface resistance ranges from 108 to 1010??.