1. The size of our zipper binder is 12.411.62.75 inches (Please allow 1-2 cm error due to different manual measurements.). The binder organizer has one zipper pocket and 2 inner file pockets to store different files or books. It is perfect for storing and organizing all your files, notebooks, memo pads, etc. 2. Removable 3-ring binder The 2-inch 3-ring binder can hold up to 500 sheets of paper. The large binder sticks inside the bag and you can easily take it out to wash the bag. The sturdy metal buckle holds the binder ly closed, while the pressable end of the 3-ring binder allows for easy addition or removal of pages. 3. Waterproof Our zippered binder is made of polyester fabric, which is durable, waterproof and washable. The inner dividers are made of sturdy PP board to keep your belongings organized and protected. The zipper is smooth and of to ensure that your belongings stay inside the binder intact. 4. Convenient Design The three-ring binder is designed with practicality and convenience in mind. The zipper binder comes with a shoulder strap and comfortable handles for easy carrying. The shoulder strap is padded to prevent shoulder pinching and increase comfort. Making it a great binder to use when taking to school or traveling.