Questions? Leave a comment below! In excellent condition BANGE 35L Travel Backpack,Flight Approved Carry On Backpacks for International Travel Bag, Water Resistant Durable 17-inch Laptop Backpacks,Large Daypack Business Weekender Luggage Pack for Men Wome 【22-35L EXPANDABLE DESIGN】: Before extended is 22L, dimensions are 17.5x11.8x5.5inch; after extended is 35L, dimensions are 17.5x11.8x9.5inch. You can expand the zipper and buckles according to your requirement. The two handles set on top and one side, which allow an easy switch between backpack and suitcase. So it can be carried vertically or horizontally. The luggage belt on the back allows being slide over the luggage tube,backpack very easy to carry, it is great for 3-5days daily travel.