Comfortable Personal Item Backpack:featuring a breathable mesh back panel and padded shoulder straps designed to effectively alleviate pressure on your shoulders and neck. 11.5*7*16.5 inch comply with the majority of airline regulations for personal item bags, ensuring hassle-free travel | 11 Pocket for Storage and Keep Organized:Rummaging your item in a messy backpack can be maddening. More pockets for better storage, helping you find what you want faster.180° zipper closure Roomy main compartments with space for all your stuff, including 1 mesh pocket and 1 wet bag to keep your item neat and organized.2 zippered front bags can be used to store keys and cards.1 Laptop compartment with an organizer pocket can be used to store notebooks, pens, earphones, and other small items | 3 in 1 Backpack with 20L Capacity :Side handle helps you seamlessly transition from a backpack to a carry-on bag, providing flexibility for any travel scenario. The backpack mode ensures comfort and frees your hands during explorations, while the luggage strap allows you to effortlessly secure it to your suitcase, adding an extra layer of convenience. Elevate your travel experience with a bag that adapts to your needs, offering style, functionality, and the perfect travel solution all in one | 4 Adjustable Side Compression Buckle & Double Zipper:Utilize 4 adjustable side buckles to firmly secure your belongings, reduce shifting, and eliminate your concerns about unintended openings. The adaptable side straps maintain the bag's sleek profile. Embrace the convenience of a double zipper and a 180° closure design for effortless access. Invest in a travel companion that anticipates your needs, providing both comfort and a touch of sophistication to your adventures | Water-resistant Materials:Our backpacks are made of new-generation water-resistant polyester to protect your items from raindrops, sweat, and moisture