The app allows users to search for storage cases of desired sizes from multiple shops simultaneously. It provides detailed information such as images, sizes, and materials of the storage cases in a user-friendly manner. Users can also bookmark their favorite storage cases for easy access at any time.

Currently, the app supports storage cases from shops like Daiso, Muji, Nitori, and IKEA, with plans to gradually add more shops in the future. Users are encouraged to provide feedback on their desired shops for inclusion in the app's search capabilities.

It is important to note that this app is not an official app provided by the manufacturers of the storage cases available for search. Users are advised not to contact the manufacturers regarding the app's usage. Additionally, the app developers do not take responsibility for any issues that may arise from using the app, so users are requested to acknowledge this disclaimer.