Unique vertical design - Features a unique vertical design with a foldable vertical panel that remains upright for stability. Triangular stability and two adjustable snap-fit joints help secure the setup. The surface is easy to write on and suitable for displaying data. Lightweight and strong material - Built from lightweight yet strong material. The foldable plate clamp is thin and sturdy, delivering user-friendly handling and durable long-term use. Large capacity storage - Provides ample storage for organization. Holds approximately 70 sheets of A4 paper, plus space for other documents to meet students daily sorting and filing needs. Portable and convenient function - Includes a built-in pen holder for easy access while writing, enhancing learning convenience. Use scenarios - Classroom desk: organizes handouts, worksheets, and notes during lessons, keeping teaching materials neatly accessible. - Home study area: sorts assignments and reference papers, with a pen within reach for note-taking. - Small office or study room: serves as a compact reference and document sorter during meetings or brainstorming sessions.