Keep bucks and local does intrigued and milling around your scented area with Hunters Specialties 180 Day Estrus, using the powerful attractants in every bottle. An all natural Estrus blend formula, tested and developed over three decades by HS Pro Staff and Wildlife biologists. Value packed with four (4) Spike Wicks. Each ingredient enhances and strengthens the other utilizing a state-of-the-art layering process designed to attract local bucks, encourage repeat visits, and trigger territorial competition. Poly cap seals the "goodies" in this dark amber bottle while cutting-edge pheromone stabilization technology assures potency in every drop! For best results use on drags, plus 3-4 scent wicks strategically placed upwind of your hunting spot anytime does in your area are actively breeding.