Tomcat mouse killer refillable bait station effectively kills mice while providing Tomcat's highest level of bait station security. The Tomcat mouse killer refillable bait station is resistant to tampering by children or dogs and can be used indoors or outdoors. Tomcat mouse killer refillable bait station contains 1 refillable bait station with 8 x 28g bait block refills. The bait station clear lid allows for easy bait monitoring – refill the bait station once the bait block has been consumed. For the most effective rodent control, use a variety of Tomcat products together for a complete system.