Our double zipper pouch has two sides with mesh pockets for small accessories, including 4 sides with straps and can hold up to 25 pens. This high quality pen case opens like a book allowing it to lay flat on surfaces when completely unzipped. Sturdy, black, durable zippers provide a secure seal when the case is stored. Inside the case you will find a multi-layered storage system with a variety of straps and pouches to store your writing utensils and office stationery. Our mesh pockets provide a unique storage component for erasers, lead, pencil sharpeners, or other small stationary items that easily get lost in large backpacks and bags. Our original pen cases were very popular among artists and pen lovers due to their ability to store large amounts of pens and accessories. To satisfy customer demand, our new pen case design contains even more space allowing you to hold and organize a larger number of pens, pencils, markers & any additional items. A key Item for office and school organization!