1. Zipper closure.
2. Main Material: Oxford
3. Linning Material: Polyester
 
4. Structure: Main compartment, computer bag, document mesh bag, left and right constant temperature bag, shoe bag, back anti-theft bag.
 

5. 90-degree opening and closing design, the bottom is the shoe compartment with ventilation holes, and the lining of the shoe compartment is PE waterproof cloth. The lining of the left and right side pockets is made of tin foil, which is insulated and water-proof. One-piece shoulder straps to protect the shoulders and non-slip.