Cardboard refers to a type of thin, flexible paper-like material used for packaging and other purposes.
You might find cardboard boxes at your favorite online shopping store when they deliver packages. The internet shopping industry relies heavily on cardboard because it's cheap, durable, and easy to use for shipping fragile items like electronics or even kitchen utensils. Many households also have large cardboard cartons stored in their basements or garages, which came with new purchases like furniture or appliances. Some people even reuse old cardboard boxes as craft supplies or building materials for kids' projects.
A wood-based material resembling heavy paper, used in the manufacture of boxes, cartons and signs.
