Carry on Backpack, 45L Expandable Large Travel Backpack with 。??Large Capacity Travel Backpack - This extra large backpack offers more packing capacity up to 40L for your travel. Main compartment has enough storage room to store 8 to 10 clothes and daily necessities. It also has built-in elastic bands to keep your clothes from falling out. The TSA 180 degree double zipper closure helps you go through the security check quickly. This suitcase backpack is the best choice for women and men\'s vacation, weekend getaway, overnight and bussiness trip. ??Airplane Approved Travel Backpack - The dimension of green backpack is 19.3 x 12.2 x 7.5 inch. Perfect size for airline approved. 2.56 lbs weight. The capacity is 40L. You can board the plane with this water resistant travel laptop backpack as a personal item and save on paying any extra baggage fees. Two laptop compartments for 13-inch ipad and 17.3-inch laptop. One expanding side pocket for water bottle or an umbrella. The front compartment has many pockets to keep your belongings organized. ??Wet Pocket & Serviceable Material - This Carry on Backpack feature high-density waterproof material and sturdy metal zipper make travel bag last longer. Wet bag helps you separate wet and dry items, such as wet clothes or towels. On the side of casual backpacks, we designed a cable hole. You can connect power bank and through the hole, easily charge your phone while you\'re on the go. You can also put the headphone cable through this hole to your phone. Enjoying the music