Watchem disappear! The all natural ingredients in Mouse Magic triggers escape/avoidance behaviors in mice driving them from homes, sheds, patios-----. This unique new method of rodent control combines the effectiveness of natural essential oils with the convenience of place pack 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. Repels for over 30 days in laboratory tests.