Multilayer process: the addition of the plastic movie was the first step to create brick containers impermeable to liquids and warmth-sealable. Inside the nineteen sixties, an aluminum foil started to be extra on the cardboard container to be sure better protection and prolong the shelf lifetime of the packaged item. https://gabletop.finance.blog/2025/07/06/sustainable-carton-water-with-your-brand-identity/