... CPP ( Opaque ) BOPP or PE /VMCPP ( Metalized ) NY/ PE ( Strong package )3 Layers: PET/AL/PE ( Metalized ) PET/VMPET/PE ( Metalized ... barrier property / Eye-catching PackagingUsagePlastic Packing Bags For: Snacks, tea, candy, sugar, salt, powder milk, chocolate, chewing gum, coffee,spices, sauces ...