Multilayer process: the addition of the plastic movie was the first step to generate brick containers impermeable to liquids and heat-sealable. Inside the sixties, an aluminum foil began to be included into the cardboard container to ensure superior security and extend the shelf life of the packaged product or service. https://gabletopcartons.health.blog/2025/04/09/why-gable-top-packaging-is-taking-over-modern-sustainable-markets/