Foldable and Lightweight: Weight only 0.4 pounds, the folded size is only 7.5* 6.5 inch, which can be folded into a compact bag and turned into a small handbag, easily pack it in your suitcase, backpack, or car. Premium Material: Made of water-resistant nylon material and high-quality zipper, effectively prevent rainwater from wetting the phone or cash and other items in the backpack, Don't be afraid of getting wet even if it rains when outdoor hiking. Multipurpose: This Foldable backpack provides enough storage space for outdoor travel, camping, hiking, day trips and shopping, fit for men and women. Reasonable and Orderly: Our packable backpacks capacity is 15L, the main pocket is large enough to accomodate a lot of stuff, such as your book's, Ipad, umbrella and clothes etc, there are also smaller compartments inside where you can store your small items. Ergonomic Design: The small foldable backpack we design perfectly fit the back of the human body to make the center of gravity more stable, designed accord with ergonomic, adjustable shoulder straps to adapt to different people's use.The intimate design brings great comfort to our lives.