This is a U.S. Mil-Spec. Tactical Pocket Continuous Discharge White smoke Grenade. These smoke grenades are manufactured by A.L.S. Technologies, and are currently being used by our military in Iraq. The Tactical Coverage, Pocket Smoke, White Smoke Grenade delivers a cloud of White Smoke with a discharge time of around 20 seconds. Their lightweight and compact design make this item easy to carry on a tactical vest or to conceal. These Grenades are used for training and screening purposes and are also very effective in creating a diversion for certain tactical operations. These smoke grenades are great for the paintball field when cover is needed and can also be used for signaling when hunting or hiking.