Control flies indoors and outdoors with this simple, attractive trap that catches all types of pest flies such as house flies, lesser house fly, garbage flies, cluster flies, blue bottle flies and other flies around homes. Patented bait attracts flies inside the trap, where they are trapped and killed on a long-lasting sticky board. Comes as a set of two traps. Each trap lasts one to two weeks or until full of flies. Compostable: simply remove the lure vial and compost these disposable traps - bugs and all. Just throw them in the compost pile or worm bin.