they look like takeout food boxes with some cellophane inside them
They could have been made with a cricut or other electronic cutter.
i seen something like those at Michaels
Why don't you PM her and ask her? Although it is in a different language, you can use the translate tool on Google to aid you.
Could they be favor boxes? Is there any way to tell what size they are?
Thanks everyone. I sent her a pm and also asked in the comment section so we'll see if she responds. I've seen something like them before but for the life of me I can't recall what they are called.