Features: 1.Anti-static, barrier, shielding, coriaceous, vapour, pierce resistance ... of Top Layer of Blue anti-static PE Bag:≤108Ω~1011Ω/sq TypeStructureFeatures74001PET/Aluminum Foil/LDPE Anti-static, barrier, shielding, coriaceous ... , vapour, pierce resistance 74001BOPA/minum Foil/LDPE Anti ...