1.Material: waterproof polyester
2. Features: waterproof, wear-resistant, breathable, load-reducing, shock-resistant
3. Fleece lining, fine and soft fluff, shock absorption to protect the computer
4. Using waterproof fabric, waterproof and dirt-resistant, easy to clean
5. Widened handle design, comfortable and durable
6. Thin and light design, easy to carry
7. Internal dimensions: 13.3 inches: 34.5 x 24.5 x 2.5 cm, 14.1-15.1 inches: 37.5 x 26.5 x 2.5 cm, 15.6 inches: 41.5 x 29.5 x 2.5 cm
8. External dimensions: 13.3 inches: 36 x 26.5 x 3 cm, 14.1-15.1 inches: 39 x 28 x 3 cm, 15.6 inches: 43 x 31 x 3 cm
9. Weight: 13.3 inches: 247 grams, 14.1-15.1 inches: 293 grams, 15.6 inches: 335 grams