Shipping Containers come with or without foam lining.
Press Release Summary:

Original Press Release:
SKB RX Series Rotationally Molded Shipping Containers
SKB's Roto-X series cases are designed to provide maximum protection in shipping environments. These rugged cases are rotationally molded for enhanced durability. The unique exterior design allows for stacking and efficient transport and storage. The recessed heavy-duty twist latches accommodate a padlock. Spring-loaded handles are recessed for added protection. Optional heavy-duty wheels offer maximum mobility. The cases are available with or without foam lining.