Asenlin 40L Travel Backpack for Women Men，17 Inch Laptop Backpack Flight Approved Luggage Carry On Water Resistant Computer Backpack for Weekender Overnight Large Daypack Black

Carry and Go back and forth: The large backpack carries 3 custom-made storage bags, which can strengthen your Go back and forth quality. The overall size meets the size standards of the aircraft, and the portable zipper opening facilitates you to quickly pass the airport security check.It has built-in elastic bands to keep your clothes from falling out.
Size and Material: The Go back and forth backpack dimensions 18.5 * 12.5 * 9.5 inches and comes with a special pocket that can hold a 17inch laptop.The backpack will also be fixed on the trunk pole and will also be carried by hand; it uses water-resistant top quality polyester Oxford cloth material and explosion-proof zipper.
Application: Go back and forth, carry-on, weekend Go back and forth, Cross-border tourism, overnight, Move out of old house, suitcase, the shrink strap with it is convenient so that you can compress without carrying luggage, into a smaller backpack.
Structure: main duffel bag 3 storage bags，laptop special bag front small bag water bottle / umbrella bag mouth hidden shoulder strap design front panel night Go back and forth reflective safety strip.（NOTE: There is a zipper on the shoulder strap, which can be utilized to put away or take out the shoulder strap by opening the zipper.）
Upgrade and Reinforcement: This model has been upgraded many times. We have used more than one materials for more than one tests to make sure that the quality is strong. We have strengthened the parts that are easy to crack and adjusted the center of gravity in size.Make it more portable for a very long time, and refer to the actual experience in the design of details to optimize, reliable and ensure long-term use.