Besides whatever basic inventory space the player has, they can also have additional pouches, bags, backpacks, boxes, etc. that can be used for storing items.
Alternate names: Backpacks, Bags, Sacks, Pouches, Boxes
The first video game about Luggage was released in 1992.
* Infinite inventory space : eases management
* Slots : increased inventory space, since each slot can contain a bag that can contain 1 or more items.
* Weight : eases management at expense of carry weight.
This does not include "upgrades" to inventory capacity.