A. This is a practical bag that combines multiple functions. It features a unique wet-dry separation design, which can meet the storage needs of different items and keep the items in the dry area always dry and clean. Even if there are wet items in the bag, there's no need to worry about other items getting wet. B. This bag has a large capacity. Whether it's documents and clothes for business trips, daily necessities for travel, or sports equipment for fitness, it can easily hold them all, meeting all your loading needs for short trips. C. It functions as both a backpack and a hand - carried luggage bag. You can choose the carrying method according to the actual situation and personal preference. When your hands are busy, carrying it on both shoulders is easy and labor - saving; when you want to quickly access items, carrying it by hand is more convenient. D. This bag is designed to be lightweight and won't add extra burden, allowing you to move freely during your journey. Whether you're on a business trip, traveling, or working out, it's a considerate companion.