Ant killer bait station indoor/outdoor Destroys the entire colony. Place in cabinets, under sinks and behind appliances. Ants carry bait back to the colony to kill the queen. Pack contains (4) 16 oz ant bait stations.Destroys the entire colony. Place in cabinets, under sinks and behind appliances. Ants carry bait back to the colony to kill the queen. Pack contains (4) 16 oz ant bait stations.