1. Material: waterproof nylon 2. Features: waterproof, wear-resistant, breathable, load-reducing, shock-resistant 3. Multiple compartment design, multi-layer classification storage 4. Using waterproof fabric, waterproof and dirt-resistant, easy to clean 5. Widened handle design, comfortable and durable 6. Large-capacity design to meet the daily travel needs of Xu 7. Internal dimensions: 13.3 inches: 35.5 x 24.5 x 5.5 cm, 14.1-15.1 inches: 38.5 x 28.5 x 5.5 cm 8. External dimensions: 13.3 inches: 37 x 26 x 6 cm, 14.1-15.1 inches: 40 x 30 x 6 cm 9. Weight: 13.3 inches: 550 grams, 14.1-15.1 inches: 600 grams