Backpack Large Capacity Compression Travel Backpack Business 40L Expandable Backpack 17 Inch PC A4 with Shoe Bag Waterproof Shockproof Travel Business

【Airline Approved】Dimensions 18.5 x 12.2 x 10.23 inches, maximum capacity 40L, meets major airline carry-on standards. It can be opened and closed flat like a suitcase, allowing you to pass through security checks smoothly. 【Easy to Organize】Comes with 2 clothing organizers and 1 shoe bag, which can help you organize your luggage efficiently. The shoe bag can also be used as a shoe or laundry bag. Separate computer storage space safely stores a 17.3-inch computer. [Adjustable Capacity] Expandable design allows you to adjust the capacity from 25L to 40L, which can store 3-5 days worth of clothes. Built-in elastic band can compress your clothes and save 10% capacity while maximizing your space. 【Comfortable Design】Air flow back design with thick and soft padding to reduce back strain, and adjustable chest buckle for hiking and long trips. Durable polyester material protects your belongings. [Versatile] The simple and chic design is suitable for a variety of everyday situations, such as traveling and business trips, as well as university, work, and going to the gym.