A flap-type accordion document file with 13 pockets that supports A4 size. Great for organizing documents for the new school term ✨ Convenient for sorting school printouts, lesson materials, receipts, and important documents. ✳︎ Easy to put in and take out with a wide-opening accordion structure ✳︎ 13 pockets allow for detailed categorization and easy organization ✳︎ Contents can be checked at a glance with tabs ✳︎ Customizable with the included index stickers ✳︎ Simple black color that is easy to use for both men and women [Size] Approx. 33 x 24.5 cm [Thickness] Approx. 3 cm [Material] Environmentally friendly PP material Recommended for children's new school term preparations, as well as for household document management and office use.