Carry on Backpack,Travel Backpack for Women Men Airline Approved Personal Item Size Hiking Gym Backpack Weekender Casual Daypack Backpack Waterproof Bag with Shoe Compartment, Green Extension

8cm Extension LayerLaptop Compartment & Anti-theft PocketShoe Compartment & Wet BagUSB interface & Water-resistant Backpack【Large capacity expandable travel Backpack】The backpack size is 18.5*12.2*11.81 inches (manual measurement may have errors, not more than 3 cm), and the capacity is about 45L. This backpack can open an 8cm expansion layer, and more than 2 to 3 days of clothes, when not in use can be zipped away.【Laptop compartment and multiple pockets】 The carry-on travel backpack has four compartments. The front compartment is a waterproof dry and wet separation bag. The laptop compartment on the back can accommodate most 17-inch laptops. In the middle are the backpack's two largest compartments, which can be spread out 180 degrees, and can hold 8-10 pieces of clothing. In addition, the backpack also has a number of small pockets for different purposes, so that you can easily store items. excellent for everyday use. excellent materials and excellent craftsmanship ensure long-lasting durability.