Tannerite White Lightning Rimfire Target Kit, 15 Targets and Holders, 15/Pack WLK Tannerite (R) brand targets were specifically designed to be safe and non-flammable" whether it's sitting on a shelf" being mixed or used. When shot" it produces a water vapor and a thunderous boom resembling an explosion. Tannerite (R) brand targets are the shot indicator targets of choice for hunters" law enforcement" and U.S. armed services.