Packages can hold packages, which can hold packages, which can hold packages.
Packages can be interacted with from inventories, like a Bundle.
You can craft Packages out of almost any solid block.
I like to use packages to organize my earlygame resource hoards. (Image from my actual survival world.)
Packages hold eight stacks of items. No more, no less.
Packages work just like vanilla Shulker Boxes.
