Multilayer program: the addition of a plastic movie was step one to make brick containers impermeable to liquids and heat-sealable. Inside the sixties, an aluminum foil started to be added to your cardboard container to make sure superior defense and extend the shelf life of the packaged product or service. https://gabletopcartons.health.blog/2024/10/05/sustainable-packaging-gable-top-cartons-as-a-game-changer/