Features:

• Easy access to contents through wide rolltop opening with magnetic closure
• Keep clothes organized while traveling thanks to removable packing cube
• Protects your laptop (15" MacBook Pro® or 15.6" PC) in the padded laptop sleeve with SafeEdge construction and secure flap closure
• Access your laptop through the top-loading compartment or the side zipper
• Cords are neatly managed between your device and your mobile charger in the internal PowerPocket
• Protect your tablet in the dedicated storage pocket with soft, interior lining
• Quickly retrieve internal contents through zippered side access panel
• Carry comfortably with breathable perforated EVA shoulder straps with mesh covering and padded back panel
• Make traveling easier by attaching to rolling luggage using the pass-through panel
• Securely keep small items and a water bottle within reach in the expandable, zippered side pocket  

Technical data:

• Material: Nylon
• Linear mass density: 800 D
• Laptop compartment: Yes
• Maximum screen size compatibility: 39.6 cm (15.6 ")
• Zipped pockets: Yes
• Number of sections: 2
• Length: 310 mm
• Height: 520 mm
• Weight: 1.25 kg
• Capacity: 34 L
• Width: 230 mm 

More information on the manufacturer's page