Polyethylene Coating: A thin layer of polyethylene on both sides provides longevity. The outer layer shields the design and printing, when the internal layer functions being a sealant, generating the carton completely leakproof. The choice of adhesive relies on the specific needs with the packaging software, like the style of https://customizedpaperbottles.blogspot.com/2025/05/shaping-sustainable-future-with-eco.html