Triggers escape/avoidance behaviors in rodents, driving them from homes, sheds, patios, etc. New method of rodent control combines the effectiveness of natural essential oils with the convenience of "place packs" technology. Simply locate "place packs", which exude the repelling quality of the essential oils, any where mice enter, feed or nest. Versatile, eye popping packaging allows product to be merchandised on shelves and counter tops or to be peg hooked. Lasts over 30 days in laboratory tests. Contains 4 - 2 oz. packages.