Mortein provide a range of indoor and outdoor surface sprays, insect control bombs, roach baits, fly sprays and insect control systems for convenient and easy pest eradication | How Mortein Kill and Protect Cockroach Works | Contains ingredients to lure cockroaches out of their hiding places | Cockroaches feed from the bait and become contaminated | Contaminated cockroaches return to the nest where they die and contaminate others | Kills eggs that cockroaches carry | Eliminates cockroaches by breaking the breeding cycle | Kills with a single feed