1. Main material: Nylon
2. Lining texture: polyester
3. Opening method: zipper
4. Sturdy slider, smooth pulling and closing
5. Multi-layer bags, which can be classified to place a variety of items
6. Fabric toughness, comfortable to carry, strong and durable
7. Belt: 60-118cm
8. Weight: about 300g
9. Note: Only the backpack, other items are not included