An intermodal container comprising: a plurality of self-centering volume maximizing posts; where the width of the container is about 38 inches to about 52 inches, the length is about 44 inches to about 110 inches, and the height is about 28 inches to about 88 inches; a plurality of side support members that act as very stiff springs that can provide shock dampening effects and reduce vibration to the interior of the container; a plurality of removable blocking and bracing members attached to support members; and where the cross-sectional area of each of the posts has more than 4 bends, where the bends are configured to provide greater strength to the posts while allowing for use of a lighter material.