【Foldable and easy to store】Our backpack is foldable and designed with great ingenuity. When not in use, it can be easily folded into a small compact package, about the size of a fist, and even fit into your pocket for convenient carrying. When you need to use it, it can unfold into a spacious and comfortable backpack that can accommodate all your essentials. Its design is like a magic box, bringing you unlimited convenience and making your travel and life more convenient. 【Lightweight like a Feather】This light wight backpack is as light as a feather, floating in the air without any heaviness. Whether you're hiking, camping, or going to the beach, carrying it on your back feels almost weightless. Using this backpack instead of other heavy backpacks can make your travels easier and more free. 【Large Capacity with Ample Storage Space】This backpack's unfolded size is 31x18x51cm, while its folded size is as small as a sandwich. The travel backpack has 30 liters of storage space, making it easy to organize all your essentials. The main compartment can hold clothes, magazines, cameras, and snacks; the inner compartment can hold computers, power banks, and files; the two side pockets can hold water bottles, foldable umbrellas, maps, or sunglasses, keeping your items well-organized.