Large Laptop Travel Backpack for Women Carry On Airline Flight Approved Expandable Work Personal Item size Backpack with laptop compartment for College Men Hiking Waterproof Mochila de Viaje Pink

【Expandable Design Travel Bag】Before extended is 28L, dimensions are 17.7x13x4.8inch; after extended is 40L, dimensions are 17.7x13x8.7inch.

You can expand the zipper and buckles according to your requirement.

The luggage belt on the back allows be slid over the luggage tube, the backpack is very easy to carry, and it is great for 3-5dof days of daily travel.

【Carry on Backpack Flight Approved】The overall size meets the size standards of the aircraft, and the portable zipper opening facilitates you to quickly pass the airport security check.

The backpack Travel bag made of waterproof polyester, good air permeability, and heat dissipation with two padded shoulder straps that offer lightweight carrying and force reinforcement, relieve the pressure on your shoulders and keep cool when you carry it for a long time.

And it is tough, firm, and does not fade.