Whether organic or man-made, squishy or rigid, there’s a deliberate method to every type of packing material madness. Why use cardboard inserts instead of polyurethane cushions? Why use those newfangled air pouches instead of traditional bubble wrap? Which packing peanuts are safe to eat, and why are some colored green or pink? All of these questions and more will be answered on the following pages. Behold! We submit 36 things you (probably) didn’t know about packing material.