Extendable multifunction backpack made of durable PU. It has excellent breathability in the back area and in the shoulder strap, facilitating heat dissipation thanks to its padded straps and backrest. The wide straps are designed to relieve pressure on the shoulders, allowing the backpack to be carried comfortably for long periods.Perfect for any situation because it has multiple compartments:2 front pockets of different sizes.1 rear anti-theft pocket for added security.3 large central compartments with double handle, one of them carries everything, A large central pocket for storing clothes and/or accessories with an organizer inside, and another perfect for carrying laptops up to 17 inches.Includes strap to fix it on trolley and suitcases. Closure adjustment on the chest.Left strap pocket for shoulders, ideal for storing keys or small objects. In addition, it has a USB charging port and a chest strap with buckle for a secure fit. Perfect for travel or everyday use due to its adjustable straps, adapting to any lifestyle.