The Safer Brand Ant and Crawling Insect Killer effectively eliminates a wide variety of crawling insects including ants cockroaches fleas and bed bugs within 48 hours. While the powder feels harmless to humans it is razor sharp to insects make it a quick and effective defence against them. Formulated with diatomaceous earth this insect killer is OMRI listed ensuring it is safe for use in organic gardening when used as directed. Regardless of whether you apply this product indoors or outdoors rest assured that it contains no chemicals making it the smart choice for gardens and homes with kids and pets.