... bags:This bag is engineered to protect contents from electro-static shock and moisture. Its 6 mil construction prevent punctures, safeguards ... -sensitive devices.l 6.1 mil thick static dissipative nylon, aluminum foil, and static dissipative polyethylene provide a very low MVTR ... use alcohol and chemical to clean bags , avoid destroy anti-static cover. 3.In order to avoid aluminum layer fracture, please ...