Multilayer Program: the addition of the plastic movie was the initial step to generate brick containers impermeable to liquids and heat-sealable. While in the sixties, an aluminum foil began to be included into the cardboard container to ensure far better safety and increase the shelf lifetime of the packaged product. https://waterinpaperbottle.fitness.blog/2025/02/26/gable-top-box-unveiling-gabletop-paks-sustainable-advantage/