For anyone needing serious document organization, this Kokuyo file box is exactly what you need to tame paper chaos. The B5 size is perfect for standard documents, notebooks, and files, while the 95mm width gives you plenty of capacity without being overly bulky. The gray color is professional and neutral, fitting into any office or home workspace seamlessly. Kokuyo's quality is legendary - durable materials, precise construction, and design that actually works in real-world use. The B-type design is streamlined and efficient, making it easy to access your documents while keeping them protected and organized. Whether you're storing important paperwork, project files, student materials, or office documents, this box provides that clean, organized look that makes finding what you need so much easier. The build quality feels substantial - this isn't some flimsy cardboard box that'll fall apart after a few months. It's perfect for home offices, professional settings, classrooms, or anyone who deals with paper organization regularly. If you're tired of messy stacks of documents or want a better system for your important papers, this Kokuyo file box delivers Japanese-quality organization that actually makes your life more efficient and your space more tidy.