IDEAL SIZE: The size of plastic folders is slightly bigger than A4. It means you can put more documents inside, document wallet make put doumnets in and out of the wallet much easier. 12.8 x 9.4. You can use it to sort out your A4 size paper, letter, standard document or file.LIGHTWEIGHT \u0026 PORTABLE: Our product is sturdy, lightweight and portable. Its perfect for Home, Office, School, and it can also be used as personal gifts.HIGH QUALITY: The button of Wallet Files is very durable. Made of high quality nontoxic and nonradioactive Polypropylene, good PP material not only makes our products waterproof and tear-resistant, but also not easy to break and deform.ASSORTED COLOURS: INTVN Wallets have 8 defferent colours.Colorful document wallets are very convenient for students to storage courses notes. You can put each courses notes in a different file, and use a different colour for each course so you can instantly grab the notes you want.