The internal structure: computer bags， mobile phone bags， sandwich zipper bags， document bags， camera bags， zipper
Open cover way: zipper
Gender: Unisex / Unisex
Material: Canvas
Hardness: medium soft
Style: Business
Material: Nylon
Accessories category: handle
Shoulder strap root number: Double Root
Suspension system: air cushion belt
Color: light gray， black
Size: 17 inches
Size：30*48*15CM