Grave Digger Doe Estrus scent stays strongregardless of weather conditions and isspecifically designed to resist moisture andfreezing. This powerful combination is packagedin a heavy duty bag with an airtightseal locking in freshness. Once opened, theTRS (Time Release Scent) fills the woodswith the enticing scent of a hot doe thatlasts up to 30 days. 8 oz. (1/2 lb