Multilayer program: the addition of the plastic movie was the first step for making brick containers impermeable to liquids and heat-sealable. During the nineteen sixties, an aluminum foil began to be included towards the cardboard container to make certain greater defense and prolong the shelf lifetime of the packaged products. https://sites.google.com/view/gable-top-packaging/able-top-packaging-is-shaping-the-future