1. Specifications: Length 245mm x Width 120mm x Height 340mm 2. Suitable for ages 9-14 3. Materials: Outer fabric: Fabric, Lining: Fabric 4. Weight: 240g 5. Main fabric is 600D reinforced fabric with a water-repellent treatment, effectively shielding against daily rain and protecting the bag's contents. 6. Multiple pockets and compartments allow for organized storage, even with a ton of knowledge. 7. Widened shoulder straps provide comfort and ease of carrying. 8. Zippers are smooth and reliable. 9. Surface and accessories are safe, environmentally friendly, and odor-free, meeting national industry quality standards.