1,special police equipments. 2,Waterproof and Durable and hardness. 3,A good quality special police equipment. We are able to produce Military field pack, Military bag, Military backpack, Military pack, Army tactical pack, Army backpack, Backpack, US field pack, Army rucksack, US style knapsack, Military assault bag, camouflage bag, travel bag, combat pack, Army bag, Army rucksack, Alice backpack ...