A4 Letter Size, are perfect for your everyday organizational need, and keeping everything neatly sorted into sections, will help you get and stay organized in style. Ideal for office, school work, or home, this expanding file folder makes it easy to get organized A wide variety of colors are avaiable. Bright and Cute. Easy to close. Button closure provide added security, to keep the files won't fall out when moving. Made of super-durable poly material, the file folder provides waterproof and tear-resistant performance. Its also acid free, PVC free, and archival quality for ultimate peace of mind and long-lasting safe storage. The 6 pockets expanding file folder made of nontoxic and nonradioactive Polypropylene (PP) makes the products waterproof and tear-resistant to protect your documents from getting wet.