Advantages ĭue to their shape and material, shipping containers are highly customizable and can be modified to fit various purposes. The use of containers as a building material grew in popularity due to their strength, wide availability, and low cost. This form of architecture is often associated with the tiny house movement as well as the sustainable living movement. It is also referred to as cargotecture, a portmanteau of the words ' cargo' and 'architecture', or ' arkitainer'. Shipping container architecture is a form of architecture that uses steel intermodal containers ( shipping containers) as the main structural element.