You can carry it by hand or on the shoulder, or put it in the suitcase through the additional opening design. FOLDING DESIGN Save a lot of space after folding, you can easily take it on your flight and travel after expanding. Great idea as an extra bag in your luggage bag. In addition, its large-capacity, multi-pocket design can meet all travel needs and better manage items. The wet and dry separation bag can also hold sweaty clothes and towels. Main features DURABLE MATERIAL Made of lightweight, waterproof and tear-resistant oxford fabric, solid, durable and strong enough to carry. Main features PORTABLE AND PRACTICAL The bag is perfect for daily use or occasional travel, the fixed strap design on the back allows it to be placed in luggage easily, perfectly suitable size as a personal item for the airplane seat in front of you, very convenient to travel. LOWER EXTENSION AND MULTI-POCKET The lower part of the zipper conceals the expansion function, allowing you to solve the problems caused by too many or too few items while traveling. Two zippered pockets and two inside patch pockets and a bag for separating wet and dry items in the bag.