A cushioning apparatus configured to be placed inside of a shipping container includes a plurality of inflation chambers. Each of the chambers is characterized as having a general shape, when inflated, of a truncated rectangular pyramid. Each of the plurality of inflation chambers is foldably coupled to another of the plurality of inflation chambers at an edge of said inflation chamber. The plurality of inflation chambers, when inflated, are configured to be folded into a shape that surrounds a void between said plurality of inflation chambers. There may be six inflation chambers.