If you want a safe, effective way to keep mice out, try Bonide Mouse Magic with natural oils! Convenient "scent pack" technology. Simply locate the peppermint and spearmint scent packs anywhere mice enter, feed, or nest. For use in homes, sheds, garages, patios, gardens, barns, cellars, and wood piles. Place on tires of stored boats, campers, RV's, cars, farm equipment, and other vehicles to drive away mice. One pack lasts up to 30 days and covers an average sized room. People and pet safe when used as directed. All natural ingredients. 4 scent packs in a resealable pouch.