TERRO PreFilled Liquid Ant Killer II Baits, 4-Pack Convenient, ready-to-use bait stations with fast-acting formula Liquid ant killer bait station kills all common household ants No drips, spills or mess; for indoor and outdoor use. Place baits near ant trails or where ants are numerous. Use all six baits to enure sufficient supply for the ants. Patented design eliminates handling of chemicals and prevents bait from drying out Contains borax