8 OZĀ» Bed Bug Killer Powder Contains Diatomaceous Earth An Effective & Long Lasting Powder Keep Treated Areas Dry For Best Results Apply Powder To Crack Crevices Behind Outlets & Hard To Reach Areas Controls A Wide Variety Of Crawling Insects Including Fleas Ticks Lice Roaches Earwigs Silverfish Beetles & Ants Label Instructions Include Directions For Proper Use & Disposal Ā» Active Ingredient: Diatomaceous Earth.