Polyethylene Coating: A Skinny layer of polyethylene on both sides gives longevity. The outer layer shields the look and printing, while the internal layer functions as a sealant, building the carton absolutely leakproof. Now we can easily put a WINDOW in a very Gable-Leading that contains dry substances – so https://sustainablemilkcarton.blogspot.com/2025/02/the-rise-of-gable-top-cartons-in.html