Repel mice naturally: Stop mice from invading your home, garage, car, truck or RV through peppermint and cinnamon time-release scent.. All natural formula with ingredients from essential oils that keeps mice out and keep your home and cab fresh.. Simply open the resealable bag, place in areas out of wind & air flow and away from bait and go.. Grandpa Gus's Mouse Repellent | GPR-4-15