composite bag Certificate of ISO 9001:2008 ISO 24001:2004 material:BOPP,PET,CPP,BOPA,AL compound with PE, composite bagMaterial: ... BOPP,PET,CPP,BOPA,AL compound with PE, or according to customer's requirementDimension:be ... different according to customers' requirementColor and Print:customized printed,with logo or without,1-8 colors availableFeature:moisture proof,vacuumUsage ...