1. Fabric: nylon 2. Lining: polyester 3. Structure: main bag, inner compartment, outer compartment 4. Function: breathable, wear-resistant, lightening 5. The length of the shoulder strap is adjustable, suitable for children of different heights 6. Two-way zipper design, smooth opening and closing 7. Dimensions: 21x 28x 10 cm 8. Weight: 0.2 kg 9. Note: The delivery only includes the bag, not other items in the picture