Making use of file folders with pockets and labels can enable you to work more effectively. Its construction of Plastic makes it strong, water-resistant, and light.Contents are kept safe by the elastic closure design and "closure name." The ability to enlarge and arrange your files will also make it easier to carry the stored stuff securely."ThinkTex Plastic Expanding File Folder, Clear Envelopes with Elastic Closure, Multiple Dividers, Medium Capacity, Fit Letter/A4 Size