【 Accessory Structure 】 There are a total of 12 pockets. A main pocket with a divider bag inside. A front compartment pocket, with two sticker pockets and two small pockets for inserting pens inside. There is a pocket right in front. There is a pocket on each side. A pocket at the back. There is a small pocket on the shoulder strap. There are two USB ports on the outside of the left side. Inside, there are two data cables for charging and listening to music. There is a strap on the back, which can be hung on the suitcase. There is a breathable and soothing air cushion on the back to relieve stress.