Military bag set: Fabric: polyester or nylon Acessries: big backpack, small pack, ... right ammo pouch,etc. The American Knapsacks , military supplies ,army rucksack:1) Medium pack with strap:a) Material: 420D nylon oxfordb ... ) Small packj) Canteen (2 liters)Packing:4 sets/ctn Military bag set, military supplies, army rucksack