A mobile extra display module for storing, transporting, and displaying a quantity of containers, includes a plastic pallet base and a plurality of alternating layers of tier sheets and containers. The tier sheets have a top surface with an array of top recesses for receiving container bottoms, and a bottom surface with an array of bottom recesses for receiving container tops. The containers in each layer are in contact with adjacent containers. For storage and transportation purposes, the display module is made as a package unit including a rigid lid and a pair of straps extending around the unit, over the lid and under the base and being under a high force of about 100 pounds for holding the display module unit in a very strong and stable arrangement. This invention also includes an improved plastic pallet.