Polyethylene Coating: A thin layer of polyethylene on either side delivers longevity. The outer layer safeguards the look and printing, whilst the inner layer functions being a sealant, generating the carton wholly leakproof. Getting this idea even further, Water in Sustainable Pak focuses specifically on amplifying the environmentally friendly benefits https://dairycartonsustainability.blogspot.com/2025/06/greener-today-sustainable-carton.html