Bseash Lightweight Climbing Backpack for Outdoor Enthusiasts. This 40L climbing backpack is specially designed for traveling enthusiasts, and it doesn't have a frame. With the ergonomic design, this backpack gives you more comfortable feeling. Made of high-quality and safe materials, it is durable for long-time use. It will surely contribute to your fantastic outdoor experience. Scientific separation, sensible storage concept, more storage options. Large Inner Compartment: can store sleeping bag, books, camera, clothes, towels, water bag, 15.6 inch laptop and so on. Insert Side Pocket: you can inserted your water bottles, umbrellas into the left and right side pockets. Front Nylon Hanging Strap: can put wet towels. Front Zip Pocket: can put mobile phone, earphones, keys, etc. Hip Belt: can carry the pager machine. Rain Cover Pocket: There is also a storage pocket for the rain cover at the bottom. Nylon Straps: There are also straps on both sides of the bag to hang trekking poles. Parameters: Material: durable and tear-resistant nylon. Capacity: 40L. Strap length: 43 - 85cm / 16.93 - 33.46 inches. Maximum load: 10kg. Backpack weight: 0.65kg / 1.43lb. Details. Comfortable Back: Breathable foam on the back for added comfort and reduced shoulder strain. Reflective Stripes: Reflective stripes on the shoulder straps make it easy to identify in the dark, making it safe to travel. Waterproof and scratch resistant: Made of dense weave and durable nylon fabric, sharp objects will scratch the surface without leaving marks and can withstand a variety of outdoor environments. Double-sided rain cover: The waterproof rain cover can be used on both sides, one side is orange and the other is silver, so you don't have to worry about the rainstorm outdoors.