• Splash-proof fabric, no need to worry about rain soaking the contents of the bag
• Hidden upgrade dual charging interface, can output charging or input
• Thicken honeycomb sponge back pad and shoulder straps design, breathable and dry, soft and comfortable, reduce shoulder pressure
• The band on the back makes it can be put on a trolley case
• Large capacity, it can store 17.3-inch laptop

Specification: 

• Brand: MARK RYDEN 
• Model: MR-9711 
• Size: 49x33x12cm 
• Material: Oxford cloth
• Weight: 1.41kg