Backpack travel bag

Material: Polyester
Lining texture: polyester cotton
Strap root number: double root
Popular elements: contrast
Lifting parts: soft handle
Outer bag type: three-dimensional bag
Bag shapes: square vertical section
Carrying system: curved shoulder strap
Color: wine red, purple, light gray, black, dark blue
Size: 16 inches [product name]: new type male shoulder bag business computer bag multi-function backpack leisure large capacity middle school student bag

[product material]: polyester
[product color]: blue, black, gray ', purple, wine red
[Scope of application]: Business trip, large high school student backpack, outdoor travel essential products
[Product Style]: Scientific design with the principle of carrying the modern human body mechanics, with unique style, beautiful and novel features.
[product size]: height 47cm width 28cm thickness 17cm suitable for 17 inch computer