This is a set of clothes or accessories for figures.
Adapted from the GoodSmile website:
A new design joins the Nendoroid Face Parts Case series!
The Nendoroid More series was created to make Nendoroids even more enjoyable! The next item in the series is a new Kigurumi Face Parts Case! The cases allow you to store up to two spare expression parts inside while also having a cute appearance to put on display - which means that even your spare parts will have a place in your collection! This new addition to the series features a cute shark design!