It was announced late last year and sold on A!Smart in early January for ¥15,000 in two versions, a regular and THE ONE version. They came in a bag with items supposedly worth up to ¥22,000.
They came with different sorts of T-shirts, hoodies, and other miscellaneous items (like towels and key chains).
Here are some pictures shared:
THE ONE Box
These boxes were not marked as which they were