Safer Pest ControlThe Safer Brand Ant & Crawling Insect killer is the humane answer to household pest control. The formula contains amorphous diatomaceous earth, otherwise known as silicon dioxide, along with selected, patented baits. Insects either ingest the powder, or come in contact with it and literally dry up and die within 48 hours. The powder is odorless and non-staining and remains effective as long as it is present and stays dry.Weight: Net Wt. 7 oz.Active Ingredient: Silicon Dioxide, from Diatomaceous Earth 77.69%Other ingredients: (proprietary) 22.31%Total: 100%Made in USA