1. Main material: Nylon

2. Lining texture: polyester
2. Buckle design, easy to wear
3. Adjustable shoulder strap design, strong and durable
4. Comfortable to carry, not tight, suitable for long-term use
5. Large-capacity loading, multi-compartment storage, reasonable structural layout
6. The small size is a double-layer main bag without a back pocket, and the large size is a single-layer main bag with a back pocket
7. Size: small size about 22 x 22 x 7.5cm, large size about 28 x 28 x 8cm
8. Weight: small size about 250g, large size about 340g
9. This product only includes the bag, other products are not included