hrj

I got them from a cheesemaking supply store. So "cheese box" works for describing it. But the idea was based on similar boxes that you can see in Early Modern still life paintings where it's used to store quince paste. Here's an example:

https://www.museodelprado.es/en/the-collection/art-work/still-life-with-limes-box-of-jelly-butterfly-and/45426923-521b-46a7-aa0e-3d34d884b26c