Polyethylene Coating: A skinny layer of polyethylene on each side provides sturdiness. The outer layer shields the design and printing, when the internal layer acts being a sealant, building the carton totally leakproof. Now we are able to set a WINDOW in a very Gable-Best that contains dry substances – https://www.tumblr.com/gabletoppak/780350111431671808/say-goodbye-to-plastic-choose-eco-friendly?source=share