LOVEVOOK Carry on Backpack, Expandable 30-40L Travel Backpack Airline Approved, Waterproof Anti-Theft Backpack for…

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✈【Flight-Approved Large Travel Backpack】The carry on backpack features an expandable design. Before extended is 30L and its dimensions are 13×6.5x20in; after extended is 40L and its dimensions are 13x9x20in. You can easily pack 3-5 days of travel gear. The luggage backpack meets the maximum size allowed by IATA flights and can be fitted overhead compartment and under the seat in flight. The largr backpack is perfect for camping, plane trip, hiking, business trip, and other outdoor activities.
✈【Large Capacity for Easy Portability】The 40l travel backpack has many compartments. The main pocket can hold 5-8pcs of clothes, and the built-in elastic band prevents the clothes from falling out. A wet and dry separation bag is inside the main compartment to keep your clothes dry. The front compartment can keep hold magazines, iPad and books, etc. The separate laptop compartment on the back has an elastic strap to prevent your computer and other items from being pulled out.