Thickened Cardboard: Made of premium cardboard, a kind of 100% renewable and recycled material, it is not easy to be damaged by sharp objects or soaked in water, durable for everyday use. Product size: File magazine holder 3.5 x 10 x 10.5 inches, suitable for A4 size and letter size. Package includes: 5 x File Folder Frames. You can get a pen holder of the same material for free. With Front White Tab: The magazine file is ideal for labeling and organizing files, magazines, paper periodicals, office documents, and more. It helps keep your documents neatly arranged. Multi-purpose: Can be used as a magazine file holder, storage box for paper files, document divider, household storage organizer, magazine rack, or newspaper holder. Practical and functional for various uses. Foldable and flexible design makes the cardboard magazine organizer easy to assemble and store. Sturdy construction saves space and is perfect for use in schools, dorms, offices, and home file storage.