Men's multifunctional backpack

The internal structure of the bag: zipper pocket, mobile phone bag, ID bag, sandwich zipper bag, computer pocket
Opening method: zipper
Applicable gender: neutral/male and female
Material: Oxford cloth
Function: breathable, waterproof, wear-resistant, anti-theft, anti-vibration, lightening
Processing methods: soft surface
Applicable gift-giving occasions: holiday
Lining texture: polyester
Popular elements: color contrast
Bag shapes: square vertical section
Back shoulders: carrying system