Size: 21 cm x 36 cm Key benefits Exact sizing for reliable fit: interior dimensions of 21 cm by 36 cm accommodate standard A4 documents with extra length for folded pages, brochures, or receipts. Versatile storage solution: useful for organizing papers, photos, thin notebooks, loose prints, and similarly sized items so your important documents stay together and easy to find. Space efficient: compact footprint that fits into larger bags, briefcases, or storage boxes without adding bulk. What this size solves Prevents creases and disorganization by keeping loose sheets flat and grouped. Provides consistent, predictable fit for documents and items up to 21 cm by 36 cm so you do not need to fold or trim contents. Makes sorting and transport easier by creating a dedicated place for similarly sized materials. Important attributes Function: acts as a sleeve or organizer sized to hold items up to 21 cm x 36 cm. Compatibility: suitable for A4 documents, photos, certificates, small sketchbooks, and many tablets or ereaders that fit within the listed dimensions. Size detail: 21 cm width and 36 cm length; use this measurement to confirm fit before . Performance: reliable for organizing and keeping flat items neatly stored and readily accessible. Practical use scenarios Office organization: store A4 reports, meeting handouts, and brochures together so you can pull a complete packet when needed. Art and design: keep printed proofs, sketches, and photo prints flat and separated by project or client. Travel documents: collect itineraries, tickets, maps, and receipts in one place for easy access during a trip. How to choose Measure the item you plan to store. If its dimensions are equal to or smaller than 21 cm by 36 cm, it will fit without folding. Consider what you will carry together. This size is ideal when you need to consolidate multiple flat items of similar size. This product is focused on providing a clear, reliable storage and organizing option for items that match the 21 cm by 36 cm size. Use the listed dimensions to ensure compatibility with your documents and supplies.