Dijiuchengbao Vnine City Schoolbag for Primary School Students Grades 3-6, Lightweight Children's Backpack, Anti-Drop Spine Protection Double Shoulder Bag for Boys

Fits A4 notebooks (210×297×6 mm)

Fabric meets Class A standards for infant and toddler safety, certified by EU SGS testing

Ergonomic design with patented 6X spinal and lumbar protection (Utility Model Patent No. ZL202020121598.0)

Lightweight structure with patented weight reduction technology

Anti-bacterial lining fabric

Fitted backpack design tailored to human thoracic vertebrae with hollow pressure-free back panel

Fixed anti-slip chest buckle for stability and reduced sway

Thickened, 3D honeycomb breathable shoulder straps with massage effect to relieve fatigue and distribute pressure evenly

X-shaped thick shoulder straps for pressure relief without neck strain

X-shaped lumbar support for better fit and heat dissipation

Reflective strips for night safety and visibility

Smooth, durable double zipper closure

Magnetic buckle closure with quality hardware

Convenient and comfortable top handle for carrying

Recommended by orthopedic experts and endorsed by CCAHK

Materials are free from formaldehyde and harmful substances

New product odor is normal and dissipates within 1-2 days when aired

Slight measurement deviation of 0-3 cm may occur due to manual measurement

Color display may vary due to monitor brightness and contrast settings

Girl, age 14, height 151 cm

Boy, age 12, height 141 cm

This backpack combines ergonomic design, patented spinal protection technology, and practical multi-compartment storage to provide a comfortable, lightweight, and safe carrying experience for primary school children. It is endorsed by professional chiropractic associations and meets high safety and material standards.