When it comes to luring in big bucks, there's no better option than Wildlife Research Center Special Golden EstrusA(R) 25th Edition. Originally available only to hunting industry insiders, Special Golden Estrus is formulated with fresh and super premium doe urine with estrus secretions that drive aggressive bucks crazy during the rut and pre-rut. Fresh and super premium doe urine with estrus secretions Originally available exclusive to hunting industry insiders Every bottle is labeled with its own serial number and "use by" date Drives trophy bucks wild