The opening design of this briefcase is round zipper, which can open 180 degrees ,and the design inside is very novel and practical. When using the computer, the elastic belt on both sides can play a bracket role, with a built-in tablet compartment , equipped with wide elastic binding belt, shockproof and protect the laptop effectively.There are also many pockets, which are suitable for mobile phones, rechargeable batteries, wallets, laptops, books and other items. In addition, there are different sizes of net bags, so that the items that need to be accessed can be seen at a glance, which is very convenient.