Let the scent of natural predators patrol your yard and garden. This 100% organic repllent is effective and safe for use around animals and plants. Shake Away Rodent Repellent's powerful scent of foxes and bobcats makes mice, rats, moles, voles and shrews flee in terror, yet is undetectable to humans. Just sprinkle the powder around the edge of areas you want to protect and animals won't cross. Nothing to mix. One 20 oz can covers 600 feet of perimeter.