Kills all common household ants. Comes in prefilled, ready-to-use stakes. See-through bait monitor lets you see when to replace the stakes. Reinforced stake ridges provide increased strength and weatherproof station protects bait. Snap off bait activation keeps bait fresh until opened. Attracts and kills Argentine ants, ghost ants, cornfield ants, pavement ants, acrobat ants, and more. Tiered bait pack increases bait consumption. Active ingredient: Sodium Tetraborate Decahydrate.