- Generous storage space with an expandable structure delivers ample capacity for documents while maintaining a slim, functional profile suitable for school and workplace use. - Flexible organization with vertical or landscape orientation and a robust handle for easy transport. The space-saving design helps keep documents neatly stored and readily accessible. - Convenient application through horizontal and vertical adaptability that optimizes space in drawers and on shelves, supporting efficient management of limited storage areas. - Safe material that protects documents from tearing and bending and shields against moisture. Features leak-proof, stain-resistant properties and a waterproof finish for lasting durability. Use scenarios - School or university: Store assignments, class handouts, notes, and project materials. Switch orientation to fit in lockers or backpacks while keeping papers flat and easy to locate. - Office or business environment: Organize project briefs, client documents, meeting notes, and schedules. Fits neatly in filing drawers and on shelves; easy to move between rooms or workstations. - Home and personal use: Keep receipts, warranties, and important paperwork protected in moisture-prone areas like the kitchen or laundry room while maintaining orderly storage.