Abstract: A modular container apparatus for storing and transporting articles, including first and second inner shell members positionable in opposed relation to one another to enclose a storage article volume. First and second outer shell members nestingly receive and are affixed to the first and second inner shell members, respectively. The container also includes interchangeable article positioning members, associated with at least one of the first and second inner shell members, and releasably retained therewithin, for receiving and retaining the articles to be stored and transported.