Product information :
Material: Polyester
With lock or not: no
With or without rain cover: no
Function: breathable, waterproof, wear-resistant, anti-theft, USB charging, dry and wet separation
Types of accessories: Backpack shoulder pads
Strap root number: double root
Color: black, dark blue, dark gray

Size Information:
Size: 30*42*4CM

Packing list:
Backpack*1