Steel is an expensive material, but it is also structurally strong and lasting. Well, shipping containers have lifted logical recycling to new levels of epic-ness.They’re re-use simply makes sense. If you take a closer look, you can see the steel grooves of each of some of the boxes, as well as the odd rectangular prism shape. There is one thing all these buildings have in common.īelieve it or not, they are all made out of S TEEL SHIPPING CONTAINERS.