Size: A4 Material: Plastic Overall Dimension: 32.5 x 24cm / 12.8 x 9.4 inch (L*W) Package Content: 4 x Expanding File Folder Advantages Sturdy plastic material in fine workmanship, waterproof and portable, tear-resistant and durable in use for a long service time. Expanding file folders with 5 sheets can keep the articles in a good condition and organize by category. What's more, you can label the folders for your quick access and easy classification.