Reuwsaat's Winterized Canine Addiction is predator urine that has been mixed with glands, essential oils and other ingredients that canines just can't refuse. This unique attractor keeps predators at your sets trying to figure out what has been there. Canine Addiction also has anti-freeze added to help keep it from freezing in the extreme cold. This helps keep it working at your sets during the cold winter months. Comes with a flip top for easy application.