[Large Capacity Travel Backpack] This backpack is made of waterproof and durable polyester fabric with excellent breathability and heat dissipation. It features two thickened shoulder straps, providing a lightweight carrying system and reinforced design to effectively reduce shoulder pressure and keep you cool and comfortable even during prolonged use. Additionally, it is sturdy, durable, and resistant to fading. [Separate Shoe Compartment and Toiletry Bag] It includes two main compartments, two laptop compartments (one for a 13-inch tablet and one for a 14-inch laptop), and several other pockets to meet various needs. The toiletry bag is made of high-density waterproof fabric, allowing you to easily organize dry and wet items. Wet clothes or towels can be placed in the toiletry bag. The separate shoe compartment allows for better transport and storage of travel shoes. [Anti-theft Multifunctional Backpack] A zippered pocket on the back of the backpack provides convenient storage for valuables such as mobile phones. Multifunctional daily bag: It can be converted into a backpack/suitcase/shoulder bag/travel pocket. Versatile in use, it can be used as a daily backpack, a large college backpack, a professional laptop backpack, or for weekend trips. 【Spacious】External dimensions: (height*length*width) 40cm*25cm*17cm, weight: 2.2 lbs/kg.