FeaturesMaterial: NylonWater-resistantAnti-theft back cushion pocket External USB port for your powerbank or phoneIncludes 1.5m Micro USB Cable and 2600mAh power bankThe Kingsons Smart Anti-Theft USB Series 15.6\" Laptop Backpack and Power Bank Bundle has been uniquely designed for the traveller who is security conscious and prefers access to the internal compartments only through the back of the pack. There is only one external zipped compartment located below the padding on the rear of the backpack for easy access to travel documents or phone and three internal zipped compartments.Made from high-quality, water-resistant nylon fabric, this backpack has an interior laptop pocket and compartments for additional storage. It boasts an external USB port for connection of your power bank secured within your pack to your phone secured on the sucking patch conveniently located on the shoulder strap. The back of the rucksack offers a cushioned pad for those heavy loads and a durable handle perfectly designed to attach to a luggage trolley.