Flies Be Gone is an effective non toxic perimeter defense for flies. There are no poisons used, ever. Safe around Children, animals and food. Specially formulated bait attracts flies away from restaurants, loading docks, barbecue, outdoor dining areas. Avoid costly fines from health inspectors by stopping flies outside before they become a problem inside. Catches thousands of flies. Lasts up to 4 weeks. Amazing show special, $10 per trap. (less)