Features:

• Large capacity convenient travel that is made of water-repellent PU fabric
• Adjustable strap to increase your carrying capacity from 17L to 22L should you need it
• Consist of 7 layers - Anti-fouling layer, Wear-resistant layer, Waterproof layer, Precision braided layer, Flexible fabric, Anti-corrosion layer and Flame retardant layer.
  
• Lightweight and Ergonomic - Shoulder burden cushion, Back cushion and Waist cushion.
• Smaller inner bag to keep important documents, mobile phone and smaller stuff
• Able to carry your everyday use including a 16" laptop, tablet, books, clothing and etc

Specifications:

• Material: Oxford cloth / PU fabric
• Weight: about 950g
• Size: (45-53)x35x15cm
• Packing: 52x40x15cm
• Capacity: 17-22L
• Color: Black