40L Capacity: This backpack with 40L space, 1 main pocket、 3 front pockets and 2 mesh side pockets; The large capacity backpack helps you to easily storage all your essentials for your outing Strong Stability: It has adjustable buckles on both the chest and waist, which prevent the backpack from shaking during mountain climbing and keep it stable and centered; You can adjust the length of the buckle according to your body shape Universal Fit: This hiking backpack is not only suitable for mountain climbing, but also for fishing, camping, outdoor travel, and more. It meets the size requirements of airlines and can also be carried on airplanes; It is a good choice for outdoor sports and daily travel 1