Rat and mouse poison containing Bromethalin. Bromethalin kills rodents with resistance to warfarin-like anticoagulant rodenticides. Highly potent neurotoxin rodenticide that provides a lethal dose to rodents in a single feeding. Attacks the central nervous system. Effective on Norway rats, roof rats, and house mice. For use in attics, kitchens, basements, and garages. 4 pound resealable bag, approximately 86 blocks.