It refers to the number of boxes/cartons stored on a layer, or tier, (the TI) and the number of layers high that these will be stacked on the pallet (the HI).[1] It can also be used in reference to the stacking pattern used to load a pallet in order to generate a relatively stable stack. These measurements will usually be asked for following the Cube (cubic feet) of a Master Carton.

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What is Verified Gross Mass (VGM)?