1. Main material: nylon
2. Lining material texture: polyester
3. Opening method: zipper
4. Honeycomb back system, comfortable and breathable
5. Multi-layer bag, can be classified to place a variety of items
6. Fabric toughness, comfortable handheld, sturdy and durable
7. Waist belt: 65-105cm
8. Weight: about 210g
9. Note: only the backpack, does not contain other items