キングジム ドキュメントファイル 2291

The product you mentioned, "KING JIM キングジム ドキュメントファイル 2291," is a document file from the Japanese company KING JIM. This particular model is typically used for organizing and storing documents, making it a practical choice for both office and personal use.
If you need more specific information about its features, capacity, materials, or where to purchase it, please let me know!