Polyethylene Coating: A skinny layer of polyethylene on either side provides toughness. The outer layer protects the design and printing, even though the inner layer acts as a sealant, building the carton absolutely leakproof. Final result metrics show substantial purchaser gratification and repeat purchases, particularly when paired with eco-friendly products. https://gabletopcarton.blogspot.com/2025/10/water-in-paper-bottle-future-of-eco.html