This food-grade Diatomaceous Earth is an organic solution for crawling insects. Effective indoors under sinks, along baseboards, and around foundations, and outdoors in gardens, potted plants, or as a perimeter barrier. Controls ants, bed bugs, cockroaches, earwigs, millipedes, centipedes, snails, slugs, and more. Safe for pets and humans. Apply lightly and evenly for best results. 4.4 lb. covers up to 1,800 sq. ft.