100 % polyester;Anti-theft backpack in recycled polyester. small version of the KI0888 for a 13” tablet;Zip fastening on the back with TSA locking system;Quick-access zipped pocket on the back;Adjustable straps and chest strap;2zipped pockets on the straps;2tie straps under the bag for carrying jumpers. jackets. etc;and 2side pockets;1side pocket with integrated USB port and inner micro-USB cable (supplied) for connecting to a powerbank;1side pocket with spiral anti-theft cable for attaching the bag to the foot of the table or chair;2mesh zipped pockets;2detachable zipped pockets for cables or accessories;2inner pockets including one for bottles and storing the powerbank;