Polyethylene Coating: A skinny layer of polyethylene on either side presents toughness. The outer layer shields the design and printing, although the inner layer acts as a sealant, making the carton completely leakproof. This makes it doable to identify merchandise by their size and come in useful in Assembly the https://gabletopcontainerbox.blogspot.com/2025/04/the-rise-of-eco-friendly-packaging.html