Tannerite brand targets were specifically designed to be safe and non-flammable, whether its sitting on a shelf, being mixed or used. When shot, it produces a water vapor and a thunderous boom resembling an explosion. Tannerite brand targets are the shot indicator targets of choice for hunters, law enforcement, and U.S. armed services.Features :One 1 Pound TargetPremeasured Packet of CatalystMixing ContainerRifle Target