Generous storage capacity with an expandable structure for effortless intake of large document volumes, while maintaining a slim design for school and workplace use with a functional form. Quick to deploy and easy to use in any orientation thanks to a durable handle. Combines transport-friendly handling with a space-saving structure for flexible organization systems. Adaptable design that improves space utilization by fitting with drawers and shelves. Provides layout flexibility and alignment options in both orientations for optimal organization. Sturdy material preserves document quality with tear- and deformation-resistant construction. Leakproof, stain-resistant and waterproof for extended durability. Use scenarios - Classroom and school: store handouts, assignments, and coursework; keep materials organized by subject for quick access by students and teachers. - Office and workplace: organize project documentation, client files, invoices, and reports; fits neatly into drawers or on shelves and adapts to changing layouts. - Home and travel: protect receipts, warranties, and important documents; dry and organized storage that stays intact in bags, cabinets, or luggage.