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.
✈【TSA Friendly Mochilas Para Hombres】The main compartment of the carry on backpack flight approved has a flap opening that can be opened 180°, allowing you to quickly pass through airport security. Built-in elastic to prevent clothes from falling out. TSA is friendly with its easily accessible, vertically opening compartment designed for your laptop (up to 17 inches). An interior strap keeps your computer and other items from falling out when you easily open the compartment for TSA inspectors.