Rentokil Rat Killer Outdoor Bait Box is an easy-to-use pre-baited rat bait box for safer baiting in and around the home and garden. - Contains 3 pre-formed blocks secured inside the bait station - Reduces the risk of other wildlife, pets or children tampering with the baits - Ideal for outdoor areas - Fully reusable - can be refilled after initial bait has been taken - Kills up to 5 rats Contains Brodifacoum.