Doughnut Backpack Female College Style

Product information:
Pattern: solid color
Lining texture: Polyester
Processing Method: soft surface
Outer bag type: Three-dimensional pocket
Accessory type: Buckle
Material: Nylon
Number of shoulder straps: double connector
Lifting parts: soft handle
Function: breathable, waterproof, wear-resistant, anti-theft, anti-seismic, burden reduction
Hardness: medium and soft
Suitcase shape: square vertical model
Bag internal structure: file bag, sandwich zipper bag, computer bag
Bearing system: Curved shoulder strap
Capacity: below 20L