A big (5.6 L) box to store whatever.
Features a nice lid which provides a tight seal (not hermetic!), with handles for ease of use.
A rice cup is also provided and was modeled in such a way that fully filling it with rice will give you a portion for one (~ 50g for white rice).
Health concerns :
You might think this model is unsafe to store food or whatever in it. If this is the case, do not use this model to store anything in it. Don't even print it. I'm a description, not a cop.
I personnally clean out every box I print before putting inside food. I never put wet food but only use it to store dry foods. And I wash my rice before cooking it. My opinion is that it's good enough, yours may differ.