HOMIEE Travel Backpack Carry on Personal Item Bag for Airlines 18x14x8 Inches, 40L Expandable Hand Luggage Suitcase Flight Approved Underseat Bag Fits 17 In Laptop Waterproof Weekender Bag Men Women

LARGE CAPACITY & EXPANDABLE: This extra-large travel backpack has an expandable feature that gives you even more packing capacity, up to 40 litres. Unzip for even more storage, then easily hold packing cubes, cosmetic bags, clothing, camera bags, and gear for 3 to 7 day trips. The carry on bag fits overhead and under the seat, while the standard carry-on size is ideal for men, women, weekenders, or the occasional vacationer.
DRY/WET SEPARATION & USB CHARGING: The wet pockets of the Flight Approved Travel Backpack feature high-density waterproof material that helps you separate dry items from wet items such as wet clothes or towels. USB interface design, it is very convenient to charge your electronic devices by connecting your own power bank, so this USB backpack provides you a more convenient way to charge your phone while traveling.
COMFORTABLE & BREATHABLE DESIGN: The backpack equipped with adjustable chest straps, exterior side compression buckles, air-mesh ventilated back panel, can effectively relieve the pressure on the shoulder and neck, also reduced stress on the zippers. Thickened sponge handles and shoulder straps provide you with more comfort when you are carrying and gripping the bag. Luggage straps secure the backpack to the suitcase. The anti-theft back pocket is ideal for storing valuables.