Our brand name is UNISTRENGH, was registered in the United States in 2017. "Uni" represents unite, pull together, represents the positive energy, but also embodies the style of our brand."Strengh" represents our determination and perseverance, we are committed to the Unistrengh build into the outdoor sports field of top. High quality products, first-class service is our target and objectives. We have professional development,design,production and sales teams.Our responsibility is to provide the most useful,higher quality,more functional products to all the customers who love outdoor&sports activities.Our vision is to build our company to one of the best Outdoor&Sports companies in the world. High quality Nylon which is Water resistant with good abrasion resistance, resistance to deformation.Not easy to fade.High intensity polyester/nylon material makes it more convenient to carry more load on your trips. Waterproof - The surface layer waterproof material use the lotus leaf waterproof technology makes the water condense automatically when dripping, so that the water would not soaked the backpack. Ergonomic padded shoulder straps and back support for best ventilation and easing burden in order to make carrying the backpack more comfortable.High quality HuaLian buckle, abrasion resistance and durable.The thickened elastic net padded, more comfortable and breathable. Chest belt and waist belt are available to adjust,fit most people. There is a buckle on the shoulder strap compatible with the water pack, it can fix the water hose of the water pack, convenient to hiking,climbing,mountaineering,cycling. Ergonomic padded shoulder straps and back support for best ventilation and easing burden in order to make carrying the backpack more comfortable. Dimensions: 15.75''L*6.69''W*22.05''H /40*17*56 cmWeight: 3.35 lbs /1.52 kg Rain cover stored in a bottom pocket which could protect your camping bag does not get wet in a raining day. This pocket can also be used for storage of additional small items (like plastic garbage bag etc.) The inside of the backpack has an Alloy Aluminum support.Comfortable, stable center of gravity, free movement and reasonable weight distribution.