A plastic case is used to store file folders, and other organizational items in a convenient way. They are lightweight, easy to transport, and easy to clean while A4 documents file case may be in as a means of carrying them from school to work, as well as other storage items.
A plastic material case is, for most reasons, it is important to consider the type of paper that is used as a plastic material case, and a4 size file is not for professionals. However, large documents also require more storage as they are lighter and easier to carry as well as large documents.