Multilayer technique: the addition of the plastic movie was the first step to produce brick containers impermeable to liquids and warmth-sealable. Inside the 1960s, an aluminum foil began to be added into the cardboard container to be sure far better security and extend the shelf lifetime of the packaged products. https://gabletopcartons.fashion.blog/2024/10/05/the-future-of-beverages-water-in-gable-top-cartons/