YiKaiSu Hiking Climbing Backpack Mountaineering Bag Multipurpose High-capacity Travel Bag Activity: Hiking, camping, traveling and other outdoor activities. Reduce the burden system design, travel more convenient, the backpack the thickening sponge protection a good protection; it can effectively reduce the burden. Dimension: L 12.6 * H 20.9 * W 8.7 IN It has double zipper bag ,fashion design, and unique shape. It is very convenient and large capacity. Adjustable shoulder strap and waist strap to fit your need.