Two tamper resistant corner-fit bait stations with clear inspection lid and single-feed rodent bait for the control of mice indoors. Ultra Power Block Bait from The Big Cheese® delivers fast and highly effective control of rodent pests using single-feed bait technology. It combines proven palatability with the necessary amount of active ingredient to deliver a lethal dose to rodents in one feed. Rodents may continue to take bait for up to 4 days. For as long as bait is being consumed, replenish the station as directed using The Big Cheese Ultra Power Block Bait².