Storing storage?

I could simply be a derp and notice this being a thing, but would it be possible to store storage? Not like the tardis of course, but smaller objects can go in large ones. If there is not a big enough storage option I feel like you should be able to make a ‘mystery meat’ storage. either had a could of people in or a couple of zombies. Or other stuff for that matter. and also a form that keeps it cold.
CTRL+f “nestable”