Moisture Barrier Bag: 1.Protect your expensive electronics from moisture and static damage ; 2.In flat open top style , customized printing is available; 3.Being opaque and light tight, it ensures the inside item can not been seen from outside ; 4.Available in three layer or four-layer structure; 5.Firm lamination and hot sealing offers superior resistance of vapor and oxygen ; 6.Surface e resistance of10n+?8n+?--10n+?11n+?+¬; 7.Applicable to pack electronic products which are sensitive to moisture and static, such as PC board, IC integrated circuit , CD driver , HD etc.