1. Expandable increase internal space
2. Large capacity can be stored in layers
3. Founder cotton + strap design make the computer stable and not loose effectively shockproof
4. Water-repellent fabric wear-resistant and tear-resistant
5. The zipper opens and closes smoothly and durable
6. Detachable shoulder strap adjustable in length
7. Comfortable to carry

Specification:
1. External dimensions: 43x32x6cm
2. Internal dimensions: 41.5x30.5x5.5cm
3. Weight: 500g