Keep your scrape hot, fresh and active with the Code Blue Grave Digger 1/2 lb. Scrape Mate Scented Soil. Designed to resist moisture and freezing, the high-quality soil blends seamlessly with the real soil and is impregnated with urine collected from an individual animal. The time-released scent technology lasts up to 30 days to eliminate the need to revisit and risk contamination by human odor. The heavy-duty packaging is sealed airtight to lock in freshness.