Kills fleas, ticks, ants, cockroaches, slugs, beetles, silverfish and other crawling insects by dehydrating them. Also kills bedbugs. Use in the kitchen, in corners, under appliances and behind baseboards. Can also be applied lightly and uniformly as a barrier around plants, foundations of houses, patios, porches and pools. Can be sprinkled on mattresses and furniture to kill bedbugs. Keeps killing insects for up to 9 months. Safe to use around pets and the environment. Effective and long lasting when kept dry. OMRI certified for organic gardening. Treats 1,800 sq. ft. 100 percent Food Grade. Contains the active ingredient: Diatomaceous Earth Silicon Dioxide.