1. Good elasticity, comfortable fit
2. Mesh fabric, skin-friendly and breathable
3. Reflective design, night reflective alert
4. Front open zipper design, easy to put on and take off
5. Large capacity, can hold 1000 ml water bottle, 7.5 inch cell phone, bank card, towel, water bottle, change
6. Packaging: transparent zipper bag packaging
7. Applicable gender: Both men and women
8. Material: polyester
9. Weight: about 155g
10. Note: this product only includes the backpack, excluding other products