Ergonomic five-point load distribution system to scientifically reduce spinal pressure and maintain upright posture
U-shaped widened shoulder straps with breathable, load-reducing system
Anti-slip adjustable chest buckle for secure fit
Bottom support board to prevent bending and promote upright posture
High resilience sponge padding with hollow ventilation for breathability and comfort
Thickened and widened shoulder straps with soft, three-dimensional honeycomb mesh for pressure relief
Multi-compartment design with large main compartment, accordion-style inner divider with elastic protection strap, front zipper pocket, and side pockets for organized storage
Thickened and widened handle for easy carrying
Smooth double-direction zipper resistant to jamming and wear
Side pockets designed for water bottles and umbrellas
Additional details
Human Ergonomics Certification (Certificate No.
2RC23P1010001R05)
Utility Model Patent (Issued by the National Intellectual Property Office of China)
Approved by the National Textbook Review Committee for Primary and Secondary Schools (2004)
Complies with Ordinary High School Curriculum Standards and Compulsory Education Textbook Requirements
Manual measurement may have a 1-2 cm variance, which is within reasonable range
Lightweight and breathable fabric reduces burden for students
Environmentally friendly materials used throughout
Water-repellent fabric ensures protection against sudden rain and easy cleaning
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