The Tigernu T-B3305-USB 15.6″ Laptop Backpack is a Backpack for 15.6″ devices, holding a total volume of 20L and weighing just 0.8kg. This model is Black in colour and has the following features: Anti-Theft, Luggage Strap, Secret Pocket, Splash-Proof, USB. Make travelling a breeze, with luggage straps enabling you to mount your backpack on any trolleybag featuring an extending arm. These extra strong straps will securely hold your backpack in the optimum position so that it does not topple the trolleybag when stationery. Whether storing your mobile phone, passport or money wallet; this secret pocket found on the backside of the backpack is perfect for keeping your most important items inaccessible. Keep your glasses handy and out of danger, by hanging them from specially designed loops attached to the straps of your backpack. The useful USB passthrough, allowing you to charge your phone or device on the go by connecting a powerbank (not included) to the built-in consealed cable.