... , M4(2) Material: 1000 D Cordura, 600 D/ 1000D Nylon Fabric, 600D/ 1000D Polyester Fiber(3) Character: PU water proof, density 64 ... , M4(2) Material: 1000 D Cordura, 600 D/ 1000D Nylon Fabric, 600D/ 1000D Polyester Fiber(3) Character: PU water proof, density 64 ...