The advantages of Cardboard material:
– Easily available
– Non-Toxic
– Light Weight
– Easy to handle
– Cheap
– The crude material needed to create Corrugated Cardboard is very economical
– Flexibility in structure
– easily customized
– allows space management
– Safe
– Environmentally Friendly
– Decompose with soil without any residues
– Recyclable
– Reusable
– Easily sealed
– Energy efficient to create
– Easy to print onto (means of marketing)

some info taken from https://visual.ly/5-pretty-cool-advantages-corrugated-cardboard