It is a sleeve for the seal attached to the bonus of the candy toy(Shokugan).
It's the perfect size for a slightly larger square sticker!
As it is transparent, you can collect it in the sleeve.
[Corresponding size] Approx. W52 x H52 mm
[Sleeve size] Approx. W54 x H54 mm
[Details] 30 sheets
[Material] OPP thickness 0.06mm
Made in Japan