Form:Folder [Perfect Design] All function dividers with sidekick bags for quick document loading and retrieval and elastic closure secures documents inside,and blank index sheets included to label each section; [Use Range] The file folders can be applied to schools,offices,awards,supermarkets,conferences,homes,storage of daily filing and documents. In your Project Sorter,use the index sheets to create a monthly plan that works . [Expandable and A4 Size] - Expandable 12 color individual bags,suitable for A4 size paper. It's convenient than regular bookcases and drawers,creating a cleaner and more comfortable environment ; [Stable and Waterproof]large density,waterproof and pressure resistance,not easy to damage and distort Elastic rope clasp design:Helps tightly hold your important documents and ensures they are safe to store. The expandable file folder comes with large tabs that allow you to tag topics or categories, easy to read,increase productivity,manage documents and files,and quickly find the items you need. Although it looks simple but practical and elegant,it is even more practical. colour:black Material:PP Size:32 x 25.5 x 2 cm Package Contents: 1*Extended folder Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.