Advanced Water-Repellent Fabric: Our backpack features high-density composite waterproof fabric, inspired by the lotus leaf water-repellent principle. This innovative design ensures that your belongings stay dry even on rainy days, offering effective protection against moisture. Ergonomic Load-Reducing Spine Protection: We have prioritized your child's comfort and health with our thoughtfully designed backpack. The back panel is not only breathable and comfortable but also ergonomically shaped to fit the contours of the back perfectly. This design protects your child's spine and prevents hunchback issues. The widened S-shaped shoulder straps are not only comfortable but also help distribute the load evenly, reducing body pressure and providing maximum comfort for your child. Convenient Back Pocket: For added convenience, our backpack comes with a practical back pocket that allows you to easily attach it to a trolley case. This feature lightens your burden, making t…