Synthetic Value Pack include Buck Baits synthetic Doe In Heat urine scent lure will get the attention of the big bucks in your area and brings them into your desired shooting range. Perfectly replicated formula with effective results when natural urine is not an option. Can but used throughout the season but most effective during the whitetail pre-rut and rut season. Also included is Buck Baits synthetic Buck With Tarsal urine scent lure is used to lure big dominate bucks. Perfectly replicated formula with effective results when natural urine is not an option. Effective early season, pre-rut and during rut. Also used to create scent trails or mock scrapes. Potent and highly effective natural smelling deer urine scents. This product is not made from any cervid animals or biologics. Value Pack Includes: 1 - 4 oz. Doe In Heat Scent, 1 - 4 oz Buck With Tarsal.