Polyethylene Coating: A Thin layer of polyethylene on each side presents sturdiness. The outer layer shields the design and printing, though the inner layer acts being a sealant, producing the carton entirely leakproof. Final result metrics point out substantial consumer gratification and repeat buys, specially when paired with eco-friendly supplies. https://sustainablewaterpackaging.car.blog/2025/08/10/the-packaging-industry-has-been-changed-by-water-in-sustainable-pak/