Polyethylene Coating: A skinny layer of polyethylene on both sides presents durability. The outer layer protects the design and printing, whilst the internal layer functions for a sealant, making the carton fully leakproof. The craze toward solitary-serve and takeout packaging has boosted need. Operational performance metrics show faster service occasions https://sustainablewaterpackaging.car.blog/2025/09/23/water-in-paper-bottle-redefining-purity-with-every-pour/