Multilayer program: the addition of a plastic movie was the first step to make brick containers impermeable to liquids and heat-sealable. Within the nineteen sixties, an aluminum foil started to be included into the cardboard container to make certain improved defense and prolong the shelf life of the packaged solution. https://gablecarton.art.blog/2024/10/05/gabletop-pak-revolutionizing-sustainable-packaging-with-gable-top-solutions/