1. Capacity: 20-35L
2. The internal structure of the bag: mobile phone bag, certificate bag, computer pocket
3. Opening method: zipper
4. Material: polyester
5. Function: breathable, wear-resistant
6. Processing method: soft surface
7. Popular element: sewing thread
8. Size: 30x14x17cm
9. Weight: about 0.68kg
10. Features: water-repellent fabric, comfortable and breathable, light and breathable, convenient charging
