Originally only available to industry insiders, Special Golden Estrus® is the super fresh, premium natural doe urine with estrus secretions that buck's just can't resist. Each high-quality amber glass bottle of Special Golden Estrus® is labeled with its own serial number and "Use By" date, so you know it's fresh. In fact, we are so confident that Special Golden Estrus® will work for you, we offer a 100% money-back guarantee. If it doesn't work, send back the bottle and remaining contents for a full refund (not to exceed suggested retail) -Originally available exclusively to hunting industry insiders. -Every bottle is labeled with its own serial number and "Use By" date. -Put up in amber glass bottles to protect freshness. -The smell your trophy buck has been waiting for.