Tips of Choose and Buy: ??? Large Capacity& Multi-space: 70L Spacious main compartment, the interior is equipped with a dedicated notebook compartment???with large capacitymore mountaineering equipment can be fitted to meet all mountaineering needs. Special main pocket closing drawstring design, tight closure to prevent the items falling from the backpack. ??? Backpac Size: 27.6 x 13 x 9.4 (inches) & H 70.0 x W 33.0 x L 24.0 (cm) ??? Distribution and use of Multi-Layer Bags: Multi-pocket design, the top portable bin is equipped with 2 zipper bags, which can place documents and other valuables. both sides of the belt are equipped with front zipper storage pockets for common items. There is a zipper storage bag for easy storage and rain cover for backpack. Backpack interior design of a shoe compartment. ??? External hanging system: the bag is equipped with an external hanging system, which can put mountaineering pickaxe and other items for easy use. Backpack belt adjustable buckle, adjustable to a suitable length, strong and durable shoulder strap D type buckle, can be external hanging water cups and other items. The backpack has straps at the bottom that can be used to tie up the tent. ??? Use belt twist device: During the walk, the backpack is adjusted to follow the movement of the hiker. You don't have to feel extra weight because of the backpack sway. ??? Tight Support: The hiking backpack is great for when you do not want to carry a heavy backpack with a frame, but still want a pack that is reasonably sturdy and spacious. Ergonomic padded shoulder straps and back support for best ventilation and easing burden, help relieve the stress from your shoulder and Improves Air Circulation,the chest strap and safety belt can be adjusted according to needs to ensure the comfort. ??? Material: high-grade wear-resistant waterproof nylon. ??? Product Package: The Parcel contains 1 x hiking backpack an