Polyethylene Coating: A Skinny layer of polyethylene on both sides provides durability. The outer layer shields the design and printing, although the inner layer acts as a sealant, creating the carton absolutely leakproof. The first patents for food paperboard containers date back to the beginning of the last century. They https://gabletopcartons.food.blog/2025/07/06/sustainable-carton-water-with-your-brand-identity/