Good quality second hand shipping containers are financially and environmentally prudent. The disposal of a large amount of steel is not eco friendly, and the savings you can make reusing one are substantial. As shipping containers are built to be durable, withstanding numerous journeys across seas, often stacked up to eight high, they have a useful lifespan of around twenty years, so buying second hand is still a worthwhile economic investment. Many used shipping containers will go on to be used as dry land storage containers, but there is a fast growing trend to us them as the building blocks for shipping container conversion projects.