The Uncontainable is a 2 dimensional ring that contains nothing in it, it also cant be contained itself, the only thing that contains is absolutely nothing which is infinitely more empty then nothing.
However, the theoretical version is contained by the box.
Since there is nothing more to explain about then it is yellow and [has a negative size ( -5 femtometers to be precise) which is why it cant be contained, its size is below nothing itself!
This makes it nothing in the first place and nothing cant be contained which is why its uncontainable
secretly dunkey kong has it in his mouth. What.
Why is there a giant empty space?