These pouches are made of 1000D NyTaneon nylon with all edges bound and closes with #9 YKK zipper and dual sliders with our HawkTabs. They attach directly to our 3-Day Assault Pack, Phoenix Pack, or the BlackHawk Special Op Medical Pack. A great feature of the pouches is that they are ambidextrous! New triangular design with dual adjustable cinch straps for absolute custom fit. Also fits HydraStorm Cyclone and Force 5! Dimensions: 15" x 5" D. Cube: 300"