YooFun Smile Creative 5-pocket Expanding file Folder (Set of 4 Colors) Material: High quality Polypropylene (PP) material (nontoxic and nonradioactive), Not easy to break and deformation. Dimessions: 12.8" L x 9.44" W x 0.7" H, which makes it suitable for daily filing and storing of documents; Fit A4 Size and Letter Size. Style: 5 pockets, organize files easily with a stylish appearance. Large-capacity file folder is your good assistant in your office life. Protect your documents with durable, waterproof and tear-resistant poly files.