#packing_material__packingmaterial__wadding  any material used especially to protect something
  supertype:  material.substance__stuff  the tangible substance that goes into the makeup of a physical object; "coal is a hard black material"; "wheat is the stuff they use to make bread"
  subtype:  cardboard__compositionboard  a stiff moderately thick paper
     subtype:  binder's_board__binder_board  a cardboard used by bookbinders to make covers for books
     subtype:  card.cardboard  thin cardboard, usually rectangular
        subtype:  timecard  a card used with a time clock to record an employee's starting and quitting times each day
     subtype:  corrugated_board__corrugated_cardboard  cardboard with corrugations (can be glued to flat cardboard on one or both sides)
     subtype:  paperboard__posterboard  a cardboard suitable for making posters
     subtype:  pasteboard  stiff cardboard made by pasting together layers of paper
        subtype:  millboard  stout pasteboard used to bind books
     subtype:  strawboard  a coarse yellow cardboard made of straw pulp
  subtype:  blister_pack__blisterpack__bubble_pack__bubble_wrap  a transparent plastic blister used to package items of merchandise
  subtype:  excelsior__wood_shavings  thin curly wood shavings used for packing or stuffing

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