Waterproof Kids Backpack Astronaut Pattern Children School Bag for Boys, Size S - Black Multi-Compartment Design: This kids' backpack features a multi-compartment layout to help children quickly sort and organize their school supplies Comfortable Experience: The backpack is equipped with thick sponge backpad with a honeycomb mesh design. This soft, breathable padding effectively cushions pressure and ensures maximum comfort during extended wear Anti-Slip Chest Buckle: The backpack includes a safety chest buckle designed to prevent slipping and keep the straps securely in place. This feature helps distribute weight evenly and keeps the backpack stable during activities Reflective Shoulder Straps: For added safety, the shoulder straps are equipped with reflective strips. These strips enhance visibility in low-light conditions, ensuring that your child is easily seen while walking to and from school or during outdoor activities Lightweight and Ergonomic: Designed with a focus on comfort, this backpack is lightweight and ergonomic, making it ideal for daily use Specifications: Material: Waterproof Oxford cloth Weight: about 580g Size: Height 40cm*Width 26cm*Thickness 18cm, suitable for grades 1-2 Package included: 1 x Backpack Other items not include