Corrugated cardboard is essentially a flat sheet of paper that has a corrugated wavy sheet of paper over it. There are actually many different types of corrugated cardboard. The first is single face cardboard, which doesn’t have the same levels of durability, but it’s cheap to make and gives extra protection to packaged products.

The single wall board is the most commonly used style of cardboard and it has got five different styles of flutes. The flute is an inverted S shaped arch that is within the type of material used to make corrugated boxes.