... Sealed Aluminum Foil bags/Side Gusset ALuminum bag Specification & features ProductdetailsMaterialPET12/AL7/PA15/PE110um OPP,CPP, PE, PET, VMPET, VMCPP, ... PA, AL, PVC, matte OPP, pearlised OPP, etc. Laminated layer is optional. Advantage Security, eco-friendly, ... Design Three-side seal bag(with zipper or not), side-gusset bag, center seal bag, stand-up bag(with zipper or not) ...