Men Fashion backpack

Bag size: medium.
Pattern: solid color.
Material texture: polyester.
Colors: black, dark blue, silver gray, military green, middle zipper gray, middle zipper black and middle zipper blue.
Accessories: backpack shoulder pads.
Material: nylon.
Customized: Yes.
Popular elements: sewing thread.
Number of shoulder straps: double.
Hardness: moderately soft.
Bag shape: vertical square.
Opening mode: zipper.