Tomcat™ Mouse Killer Bait Station makes quick and easy work of getting rid of pesty mice. Pre-baited and ready to use, you'll never touch the bait when placing this house mouse killer. Contains a bromethalin bait block that lures mice where they will consume a toxic dose. One 28g bait block kills up to 12 mice. Thanks to durable construction this product is child, dog, and weather-resistant.