Monterey Indoor Fly Trap is the ideal solution to your fly control problem. This sticky trap will effectively control flies that invade your home such as house flies, cluster flies, blow flies, and garbage flies without using pesticide. Each clear trap contains glue with a natural attractant to help catch flies efficiently. These ready-to-use traps are guaranteed to be non-toxic as well as moisture resistant. There are 4 clear sticky traps per box.