Love Shop Free Soldier Outdoor Military 1000D Waterproof Nylon Combination Hiking Backpack (Coyote Tan) 1. Military 1000D waterproof Nylon material-water-proof fabric, abrasion resistant and highly Tear Resistant. 2. High strength nylon rope umbrella with high strength buckle and top quality Military zipper. 3. All materials are nontoxic environmental protection material. 4. The backpack is MOLLE structure, the three waist bags are detachable that can be used alone, and you also can tie up some equipment under the backpack just like tent. 5. Many compartments & pockets for multiple items outside, and the capacity is very big, is the best choice for hiking.