Treating packaging as a pick item. Embodiments include methods, systems, and computer program products for determining a container size of a container for packaging one or more items. An identity of one or more items that are to be packaged into a container is received. Corresponding three-dimensional dimensions of each of the one or more items are identified. A container size of the container is calculated based on the corresponding three-dimensional dimensions of each of the one or more items. The calculated container size is configured to accommodate all of the one or more items within the container. The container is produced, the container having at least the calculated size. In some embodiments, the container can then be sent to a pack station as a pick item.