Trophy Rock Four65 Mineral Deer Supplement is a natural and easy way to provide over 65 different macro and micro trace minerals to your deer herd in a granular form. It is mined from an ancient mineral deposit in the USA with nothing added or removed. We trust nature to bring a perfect ratio and balance to your deer herd to compensate for mineral-deficient soils and browse. It is a safe and effective way for deer on your property to restore the electrolytes and trace minerals that will help them reach their full potential - 65 supplements, all 4 seasons of the year. Serious hunters who care about antler size and herd health swear they've never seen a better product. 30 lb. bag. Manufacturer model #: FOUR65. Contains over 65 beneficial trace minerals Improve antler development and overall deer herd health Place in a staging area or near a bedding area Safe for all wildlife year round