Sticky buttons effectively protect files. Drawable hole design easy to extract,you can promptly find the files you need. Simple vertical design, make full use of the three-dimensional space on the desktop to enhance office efficiency. This document file box is made of PP material provides lightweight and durable, not easy to deformation. Application ScenariosUse at home, office, schoolmuseumsarchives, libraries; Perfect for storing letter size file, magazines, publication, catalogs and and any other paperwork.