BAGSMART Travel Laptop Backpack, 40L Expandable Airline Approved Carry On Backpack with Packing Cubes, Water Resistant Weekender Backpack Fits 17 Inch laptop, Luggage Daypack with Shoe Bag,Grey

AIRLINE APPROVED: Travel backpack size: 18.5*12.2*10.23 inches. Maximum capacity: 40L, carry-on backpack meets the size required by almost all major airlines and fits in the overhead compartment and under the seat. Of course the lie-flat opening design helps you get through security quickly. This travel backpack is perfect for weekend trips, business trips, hiking, camping, etc.
WHAT IS IMPORTANT : The most important thing about traveling is having fun, not being tied up in chores. The laptop backpack comes with 2pcs clothes storage bags and 1 shoe bag, different sizes can be used for different packing purposes, allowing you to store your clothes more conveniently and in an organized manner, Dedicated shoe bag fit 1-2 Pair of shoes or it can be a laundry bag for separating your dirty clothes. Make your luggage clean and tidy.
UPGRADE ITERATION： Expandable design added for the first time, with 25L-40L of travel backpack storage space to change as you wish, the maximum capacity can store 3-5 days of clothes. Of course, it does not stop there, the backpack also has a built-in elastic band, which can be compressed clothing, prevent clothes from falling, maximize the use of the backpack storage space, saving an additional 10% of capacity.