Durable design easily stands up to daily wear and tear, making it a great choice for busy students. An exterior expansion panel lets you store textbooks and notebooks without needing to unzip the binder to access them. Inside the binder are three rings that hold 380 sheets and a five-pocket expanding file that holds an additional 200 sheets. A great choice for school, this binder includes three exterior pen loops and an exterior zipper pocket to keep small items stored and accessible. Includes a gusseted pocket with a Velcro closure, perfectly sized to fit a calculator and a micro mesh interior pocket with a zipper closure to view and store smaller supplies. Binder has a full zipper closure and carrying handle so you can easily take it with you throughout the day.