Grave Digger Doe Estrus scent stays strongregardless of weather conditions and isspecifically designed to resist moistureand freezing. This powerful combinationis packaged in a heavy duty bag with anairtight seal locking in freshness. Onceopened, the TRS (Time Release Scent)Peaks the curiosity of trophy bucks withthe scent of a new buck in the area. Lastsup to 30 days. 8 oz. (1/2 lb