Product description Multi Compartment and Large Capacity Compact & Handy Ideal Luggage Option for Travel Previous page Next page Lightweight: The lightweight packable backpack is about half the weight of a mobile phone, being folded into its inner pocket for storage and easy to open when needed. Unfolded size: 12.5 x 8.5 x 20.9 inches, folded size is only 4.5 x 3.9 x 7.8 inches Water-Resistant & Durability: The water-resistant backpack is made of water-resistant fabric, IPX4: This rating offers protection against splashes of water, making them suitable for workouts or light rain. Heavy duty upgraded zippers and enhanced major stress points provide long-lasting durability against daily activities Large Capacity & Multiple Compartments: Hiking backpack with 35L capacity and 3 compartments. The carry on backpack featured a wet compartment for separating dry and wet items Anti-Theft Zipper Clips & Survival Whistle: Securing two or more zipper pulls together prevents the zipper from opening accidentally or being opened by others. For added safety, the shoulder strap is equipped with a survival whistle for use in dangerous outdoor situations Tips: Before traveling, you can put this collapsible bag in your pocket or suitcase, and when you buy more goods on the way, this large-capacity foldable airplane backpack will show its value › See more product details