Armadillo Scram granular repellent is a proprietary blend of natural and organic biodegradable ingredients specifically designed to reduce and eliminate armadillo activity. Causes the armadillo's food to taste bad and upsets the digestive system. Also causes tunnels and surrounding soil to have an odor that disturbs armadillos. Features all natural ingredients suitable for organic gardening. Won't harm people, plants, or animals. Long-lasting, up to 30 days of protection. Guaranteed to work. 6 pound bag provides 3600 square feet of protection. Active ingredient: Castor Oil.