Giant capacity containers should be able to hold containers with smaller capacity

[Sirquestalot]

Well, if we're trying to use real world logic when reasoning any of this, then if you put a sword without a scabbard into a bag, it should cut a hole, causing all the contents to spill out and be lost while traveling... and shall we discuss bottle of milk and fresh fish? And the list could go on and on and on.

TLDR: Ruleset