Portable Burden Alleviation Breathable Children's Backpack

Product information:
Lining texture: Polyester
Color: black, dark blue, light gray, light blue, dark green, starry sky blue, starry sky pink
Function: breathable, waterproof, wear-resistant, anti-theft, anti-seismic, burden reduction
Material: Oxford cloth
Size: large, small size
Bearing system: air pillow belt
Popular elements: sewing thread
Applicable school age: Primary School