Lightweight: The lightweight packable backpack weighs about half a cell phone and can be folded into its inner pocket for storage and is easy to open when needed. Unfolded size: 31 x 22.9 x 51.8 cm, folded size is only 12.4 x 9.9 x 19.8 cm




Waterproof & Durability: The waterproof backpack is made of waterproof fabric, IPX4: This rating offers protection against splashing water, making it suitable for exercise or light rain. Heavy-duty upgraded zippers and reinforced key stress points provide long-lasting durability against daily activities




Large Capacity & Multiple Compartments: Hiking backpack with 45L capacity and 3 compartments. Features a wet compartment to separate dry and wet items




Survival Whistle: Equipped with a survival whistle on the shoulder strap, it is an essential item for your survival in dangerous outdoor situations




Tips: Before traveling, you can put this bag in your pocket or suitcase, and when you buy more items along the way, this large-capacity foldable airplane backpack will show its value