· 【Airline Approved Personal Item】The size of the carry on backpack is 18*14*8inch. it can fit perfectly in the overhead luggage compartment or under the seat, allowing you to bring it on board as your personal item. This carry-on backpack is designed to meet the size requirements of most major airlines, including Spirit, Frontier, Easy Jet, Jet Blue, and other budget carriers.· 【Large Capacity & Multiple Pockets】The travel backpack has a storage capacity of up to 40L, with four main compartments and a lot of small pockets designed to allow you to easily separate and organize your items; it can meet your travel items for 3-7 days.· 【3 Extra Packing Cubes & Wet Pockets】This carry on backpack comes with 1 shoe bag, 2 storage bag and 1 built-in wet Compartment pocket; personal item travel bag convenient for storing wet clothes, wet towels, toiletries during travel to prevent any leaks or moisture from affecting your other items.· 【Durable & Comfortable】Made from durable material that resists tearing, water and abrasion, this backpack is built to withstand the rigors of travel. Ergonomically designed with adjustable vented shoulder straps and a padded back panel and shoulder straps.· 【Practical & Safe Design】This travel backpack for women is designed with a 180-degree expandable suitcase-style opening, which is very convenient for accessing items during security checks; a padded electronics compartment on the back ensures safety; umbrella/water bottle pockets on the side and a luggage strap on the back.