Combination backpack and trolley for laptops with large capacity, perfect for travel. It features a padded protective compartment for 15.6-inch laptops and 10-inch tablets. It can be used as carry-on luggage in IATA format. The spacious main compartment is suitable for clothing and personal items. It has an ergonomically padded carrying handle and a retractable double arm made of aluminum. The design includes a bottom protection against impacts and a back pocket for storing the shoulder straps. Quiet wheels ensure smooth rolling, and there is a front access pocket.