Safer Diatomaceous Earth Crawling Insect Killer Powder, 4 lb. is an effective solution designed to eliminate a wide range of crawling insects such as cockroaches, ants, earwigs, silverfish, bedbugs, and fleas. This unique patented bait formula works by causing insects to ingest the powder and dehydrate within 48 hours, making it highly efficient for both indoor and outdoor use when kept dry. The product features a diatomaceous earth formula, which is resistant to insect immunity, ensuring long-lasting protection. Made from amorphous diatomaceous earth, also known as silicon dioxide, this organic product is safe and natural. It comes in a convenient, ready-to-use 4 lb. pour bag in powder form, making application simple and mess-.