A man’s backpack with a high-quality USB connection, waterproof, large school bag, computer or travel

Techniques: Jacquard
Inside: interior hole pocket, cell phone membrane, interior pocket, cloud, interior pocket, computer interface
Knob/tape type: soft knob
Mode: Preppy Mode
External: Solid bag
Model number: K1047-1
Loading system: accurate shoulder belt
Rain cover: No
Capacity: 20-35 litres
Ling Material: Polyester
Shutdown type: pin close
Backpack type: soft cover
Type type: Solid
Sex: MEN
Decoration: NONE, letter
Main Material: Polyester
Trademark name: DIDA BEAR
Type of item: backpacks
Color: Black, Gray, Green
Size: 28cm (Width) *40cm (Height) *11cm(Thickness)

Size: 28 centimetres (wide) * 40 centimetres (high) * 11 centimetres (fish)
Substances: water-resistant polyester
Please provide advice: By hand measurement, can be 1.3 centimeters different. Hopefully you can understand, it’ll be sincerely appreciated