Men's large capacity shockproof backpack computer bag

Bag size: medium
Capacity: 20-35L
The internal structure of the bag: zipper pocket, mobile phone bag, ID bag, sandwich zipper bag, computer pocket
Opening method: zipper
Material: waterproof nylon
Function: breathable, waterproof, wear-resistant, shock-resistant, lightening
Processing methods: soft surface
Hardness: Medium
pattern: plain
Style: business
Lining texture: polyester
Accessories type: backpack shoulder pads
Strap root number: double root
Popular elements: metal
Lifting parts: soft handle
Outer bag type: digging bag
Bag shape: horizontal square
14 inch: 42*27*13cm.
15.6 inches: 42*31* 13cm.

17.3 inches: 45*32* 15cm