Selontra Rodent Bait is a soft bait formula that delivers fast colony kill of anticoagulant resistant rodents like norway rats, roof rats, and house mice in just seven days. It's shortened bait program requires less bait and it has been formulated with the active ingredient Cholecalciferol, which allows rodents to only eat a small lethal dosage, leaving more for the rest of the colony reducing bait usage and waste. Selontra contains the ingredient Bitrex to help prevent accidental consumption by children and it has the durability to hold up in tough conditions. Use along walls, near gnawed openings or burrows, in corners and concealed places.