Bonide  Mouse Magic Pest Repellent , Pack of 12 - 866 The container hold (3) 4pks of .5oz packs. Total of 12 packs that are .5oz each. All natural mouse repellent pack Works for up to 30 days Repels by smell that mice hate, but that is not offensive to humans or pets Keeps mice away safely, and can be used in homes, garages, sheds, stored vehicles, and farm equipment