Capacity: Below 20L

Internal structure of the bag: zipper hidden bag, phone bag, sandwich zipper bag, computer insert bag

Material: Oxford cloth

Function: Breathable, waterproof, wear-resistant, anti-theft, shock-absorbing, and load reducing

Shoulder straps: double

Luggage shape: vertical square shape

Waterproof degree: Waterproof

Size: 48CMX30CMX18CM (height * length * width)