| 摘要 |
The purpose of the present invention is to provide an inexpensive and high-strength file folder. The invention comprises a cover having a front part, a side part, a rear side, and a fixing unit inserted into the cover. The rear side comprises an extra part connected with a unit for increasing strength. The file folder is made of Inexpensive materials such as paper or plastic so that the invention has high intensity with bearing capacity of bending. The file folder is vertically stored without support materials such as a bookshelf or a cabinet. Also, the invention prevents files from bending and becoming damaged with improving productivity by selecting inexpensive materials. Various recording papers are attached to the file folder so that users check the files from every direction and easily find the files. |
