Polyethylene Coating: A thin layer of polyethylene on both sides presents durability. The outer layer guards the design and printing, though the inner layer acts to be a sealant, earning the carton wholly leakproof. End result metrics indicate higher shopper pleasure and repeat purchases, especially when paired with eco-helpful resources. http://cartongabletop.car.blog/2025/07/06/why-are-brands-shifting-to-water-in-paper-pak-solutions/