Demon WP Pest Control Insecticide Active Ingredient: 	Cypermethrin 40% ~~ Yield: 	One envelope contains 4 water-soluble packets and makes 2-4 gallons of solution. Target pests: 	ants, carpenter ants, cockroaches, crickets, spiders and certain other insect pests. Application: 	Demon WP leaves a white powdery film that is especially noticeable on dark surfaces. Can not be shipped to NY or CT