Fly Magnetic Bait Attractant, Special Attractant, 1 Pack (0.4 oz (12 g) x 3 Packs)Attractant for fly magnets. Vegetable attractant and no pesticides The fly magnet body can be used repeatedly The target of fly magnets is a "large flies" that collects droppings, garbage, food and more. Fly flies are not captured Note: This product is virtually ineffective on flies that come around around the entrance of building or apartment. A male fly waiting for female to pass through due to mating action. Fly magnets can be difficult to catch