Designed to protect the spine and reduce burden: This is a backpack for primary school students. The design is scientific and reasonable, it can reduce the burden on the back and protect the child's spinal health. r n【LARGE CAPACITY + MULTIPLE COMPARTMENTS】Extra large main bag + front storage pocket + side pocket for water bottle. The interior is spacious and can store a variety of books, stationery, water cups and other learning materials to meet the daily learning and activity needs of primary school. r n【COMFORTABLE CARRYING EXPERIENCE】: The shoulder strap has an ergonomic design that follows the curve of the back, reduces pressure on the back and provides a comfortable carrying experience, easy for children to carry. r n【Pressure Distribution System】: The backrest is made of breathable cushion lining to prevent stuffiness. The curved design of the backrest takes into account a child's spinal development, fits the child's body and reduces pressure. The shoulder straps are made of breathable double-layered cushion lining. Weight and shock absorbing material. r nLightweight and low burden: The backpack has a lightweight design. Light and soft when worn on the back, allowing your child to move easily and without feeling of pressure, providing a comfortable and light movement experience.