Kills queen & entire colony. Kills ants quickly. Provides long-lasting ant killing power. Child-resistant. No vapor, fumes or odor. How Combat Source Kill Max A1 Works: 1. Ants enter bait station and eat the bait. 2. Ants take the bait back to the nest. 3. Ants pass the bait on to the queen and destroy the entire colony. Kills common household ants, including Argentine, Cornfield, Odorous House and Pavement ants. Guaranteed to work or your money back! Call the Combat helpline at 1-800-426-6228 for information. Please recycle empty carton. Made in Korea.