Lovevook Travel Backpack, 40L Expandable Carry On Luggage Backpack Flight Approved, Large Waterproof Hiking Outdoor Overnighter Bag for Men Women

[Large & Expandable ] The capacity before expansion is about 32L,after expansion to 40L, can hold the necessary items for 3~7 days of travel, include three or four sets of clothes, shoes, and Other daily necessities, an ideal travel backpack for men women  [Gifted 3 Packing Cubes & Shoes Bag] Large cube for sweaters, jackets, pants. Medium cube for shirts, shorts. Small cube for toiletries such as makeup, cleanser, etc., there's also a shoe bag. Keeping your belongings more organized [Airline Approved Size] Weight: about 4 lb., backpack size before expansion is 20”*14”*7”, after expansion is 20”*14”*9”, which conforms to the size regulations of most airlines for carry on luggage, such as Delta Air Lines, Alaska Airlines, Southwest Airlines, United Airlines,180-degree zipper closure to get you through security quickly [Wet Pocket Design] If your clothes get wet on the road, or want to carry on wet items, don't worry, there is a wet pocket at the top of the large compartment, which can hold 2 T-shirts or towels [Practical gift] This backpack can be used as carry on luggage backpack, large suitcase for business trip, normal laptop backpack, weekender overnight bag, great gift ideal send as Birthday, Anniversary, Christmas, New Year, Graduation gift, also enjoy 30days no-worrying refund