Shake-Away Rodent Repellent Granules are an effective, natural, and non-harmful product used for repelling mice, rats, squirrels, voles, and other rodents from damaging flower beds, vegetable & herb gardens, ornamental plants, and other property. Simply spot-treat the general activity area twice a week for the first two/three weeks and then twice a month for maintenance. Over time this will significantly reduce and eliminate pest activity. Designed for Indoor & Outdoor. Safe and will not harm animals or plants. Remains effective in normal weather conditions and irrigation.