Business casual multifunctional men's backpack

Bag internal structure: ID bag, mobile phone bag, sandwich zipper bag, zipper pocket, computer pocket
Opening method: cover type
Applicable gender: male
Material: Oxford cloth
Function: waterproof, breathable, wear-resistant, anti-theft, burden reduction, shock resistance
Applicable gift-giving occasions: business gifts
Lining texture: polyester
Accessories type: backpack shoulder pads
Strap root number: double root
Popular elements: retro
Outer bag type: bag with lid
Bag shapes: square vertical section