1. There is a life-saving whistle on the back fork, making outdoor play safer 2. Anti-slip buckle on shoulder strap, exquisite zipper 3. Ergonomic design for comfortable carrying, mesh and breathable straps 4. High-quality water-repellent invisible lattice fabric, waterproof and wear-resistant, anti-dirty and easy to take care of, good texture, not easy to wrinkle 5. Material: Oxford 6. Capacity: (14-inch notebook, clothing, books, water bottle, umbrella, etc.) 7. Expanded size: 45x28x15cm 8. Folded size: 24x17x5cm
