Antistat esd moisture barrier bags antistat 018 0131 these esd moisture barrier bags from antistat are ideal for the packaging and protection of moisture sensitive surface mount devices these bags provide superior esd protection and restrict the transmission of water vapour each bag features an antistatic metallised polyester outer layer and an antistatic inner layer with layers of polythene nylon and aluminium foil in between antistat 018 0131 esd moisture barrier bag 36 mil 6x12 152