1. Rationalized internal structure, large-capacity storage space to meet travel needs 2. Smooth zipper, smooth closing without jamming 3. Small compartments for organized storage 4. High-density nylon fabric, strong and durable. 5. Shoulder straps can be freely adjusted, easy to use 6. Material: nylon 7. Size: about 19 x 16 x 4cm 8. Weight: about 150g 9. Description: only the bag, does not include other items in the picture