The fly bait is scientifically formulated and processed by imidacloprid, flour, sugar, attractant and feeding stimulant. It is a special attractant for house fly and has strong attraction, good palatability. It is easy to use and harmless to human, animals or environment.This product has no obvious odor, can be used for indoor and outdoor. We did a comparison test video with Bayer QuickBayt. Please watch the video at link: