Multilayer program: the addition of a plastic movie was the first step to make brick containers impermeable to liquids and heat-sealable. While in the sixties, an aluminum foil started to be additional to your cardboard container to be sure improved security and increase the shelf life of the packaged item. https://gabletop.business.blog/2025/04/09/say-goodbye-to-plastic-choose-eco-friendly-gabletop-containers/