[large capacity] this pencil case has an amazing capacity of about 30-80 pens (up to 100 small pencils) and other items. It's large enough to hold an 8-inch extra long pencil / pen in the main compartment and a calculator. [strong material] the exterior is made of high-quality 720d matte Pu fabric and 420D polyester, which can be washed, wear-resistant and durable. High quality zipper, smooth and durable, easy to open and close. [foldable pencil case] open the bottom zipper and 3 inches (about 7.6 cm) will increase to the height of the pencil case, making it larger than before. Fold it when not needed. Small size after folding, easy to store. [multi function] an external pocket allows you to store cards, notes and other frequently used items. There is also a zippered mesh pocket for rules, erasers, etc. In addition, there are five elastic grooves in the middle. When the pen is inserted into the card slot, a mesh pocket is provided to prevent the pen from moving. [use space] this is a multifunctional pencil bag, which can meet the actual needs of different people. It is not only a stationery case suitable for primary school, middle school, high school or college students, but also a travel bag, makeup bag and cable accessories bag, suitable for men, women, adults and office supplies. This bag is actually a bag, suitable for daily use.