Harris Green Ant Killer is an environmentally-friendly, Borax formula that is used to kill ants inside the home. Contains 9 plastic bait trays and a 3-oz bottle of liquid ant bait. Simply pour a couple drops into each bait station and set several in place. The bait will attract the ants that end up carrying the bait back to the colony and kills the queen and colony. Kills a wide variety of ants.