Easily attaches to the MOLLE webbing on the outside of your ruck for quick access to items you want on the go. Or provide yourself better internal organization when you&';ve got your ruck open and you need to get at something quick. Specs + Materials 1000D Cordura 2x3 inch patch-friendly VELCROA(R) on the front 7" height x 5" width x 3" depth (full) 86g