Safer D.E. Plus, 7 oz. duster. Controls ants, cockroaches, earwigs, silverfish, crickets, millipedes and centipedes. Contains 77.69% silicon dioxide (from diatomaceous earth) and 22.31% inert ingredients including baits. Insects come into contact with the powder or ingest it and literally dry up and die within 48 hours. Product = 7 oz.