Terro T1812-2 Outdoor Liquid Ant Killer Bait Stakes (2 Pack) Attracts and kills all common household ants outside before they get inside - Slow kill gives worker ants time to transport bait to the colony and queen Kills the ants you see and the ants you don't Contains 16 weatherproof ant bait stakes that are ready-to-use Contains borax Tiered bait pack increases bait consumption, minimizes waste and see-through window enables easy monitoring of ant bait level