Shake-Away 4152424 4CT Mouse Repellent Packs, 1.5-Ounce Hands off , no kill approach means no traps to set and no dead mice to handle; more humane and cleaner than kill products Organic formula keeps your home, family and pets safe from nasty, toxic poisons Repellent (as opposed to poisons or traps) removes risk of mice dying in your walls and creating smelly and unsanitary mess that is difficult to remove Long lasting protection; each package contains four ready-touse packs that last up to 60 days; our resealable package preserves packs you're not using Wide variety of uses: discreet packs can be easily placed out of sight in infested areas of homes, cottages, garages, barns, sheds, campers, cars, boats, RVs, covered trailers and more