Insects invading your corner of the world? Whatever insect you're fighting, Black Flag products are dedicated to providing the tools you need to regain control. With formulas that act fast and never back down, Black Flag insect controls have been arming homeowners in the battle against invading bugs for more years than any other brand.Black Flag Disposable Fly Trap captures pesky flies in your outdoor living spaces. With a built-in lure, this discreet trap lures all major fly species and blends into landscape. It starts working in minutes. Just fill the bag with water to the fill line to dissolve the attractant and hang the trap outdoors with the included plastic tie. Hang away from outdoor living spaces to lure flies into the trap. Replace the entire trap after 30 days or when the trap is full or when the contents dry out. Common fly sources include garbage bins, compost piles, dog runs or kennels and campsites. Flies are mora active in warm weather. In cooler temperatures, hang traps in sun-exposed areas to increase effectiveness.