Foldable Large Capacity Business Backpack Men's Travel Bag Waterproof Backpack

Internal structure of bag: ID bag, mobile phone bag, sandwich zipper bag, zipper pocket, computer pocket
Opening method: zipper
Applicable gender: neutral/male and female
Material: Oxford cloth
Function: waterproof, breathable, wear-resistant, load-reducing, shock-resistant
Lining texture: polyester
Strap root number: double root
Outer bag type: inner patch pocket
Carrying system: curved shoulder strap