We have all received an Amazon or Flipkart package that looks like it went through a war zone. It is crushed, dented, or ripped. We usually blame the courier guy. But often, the fault lies with the Cardboard itself.
Corrugated board (Kraft paper) is an amazing material. It is strong, light, and cheap. But it has a fatal flaw: It acts like a sponge. Paper loves water. In a humid war... https://cometenvirons.com/