Detachable and adjustable shoulder strap. Two zip compartments. In the first compartment there is a pocket for a laptop and a tablet with a latch. The second compartment has a zip pocket, a removable key holder, a removable address tag and a mobile phone pocket. Outside on the front and back walls of the bag there is a pocket with a zipper. Luggage bag attachment system. The possibility of increasing the volume (zipper around the perimeter of the bag).