Lightweight Spine-protective Backpack

Product information:
Lining texture: Polyester
Applicable scenario: leisure travel
Color: Black single package, wine red single bag, purple single bag, khaki single bag, pink
Function: breathable
Material: Nylon
Bearing system: airpillow straps
Popular elements: letters, stitching, contrast color, stitching
Style: cross-border Fashion
Capacity: 20-35L