This allows the phone case to adapt perfectly to different situations, just like a good employee Multifunctional file storage cabinet creates a comfortable office environment, more neat and organized. Categorized storage, meet the storage needs, easy to access daily. Made of thickened particle board, not easy to scratch, very solid. With lock design, private document preservation, to avoid the loss of documents, contracts and so on. Universal wheel design with lock, smooth sliding and silent locking.