Garden Safe Brand Crawling Insect Killer Containing Diatomaceous Earth, 4-Pound PEST-KILLING DUST: Use indoors or outdoors to control listed crawling insects on contact. CONTAINS DIATOMACEOUS EARTH: Insects encounter or ingest this powder and die within 24 hours  insects dont become immune to its killing action. CONTROLS: Kills cockroaches, ants, silverfish, beetles, fleas, bed bugs and other crawling insects as listed. NO ODOR, NON-STAINING: Use a hand duster, power duster or squeeze bottle to dust areas where crawling insects are found. USE AS NEEDED: Dust insects directly if possible; reapply when dust is no longer present and if insects are observed. Garden safe diatomaceous earth Long-lasting control Kills cockroaches, ants, silverfish, beetles and other crawling insects Kills within 24 hours of contact This product comes in 4-pound