Copper Brite Inc, 1, 1-Lb Roach Prufe Insecticide Powder, Odorless, Non-Flammable, Non-Staining And Non-Evaporating. The powder is applied with a teaspoon under kitchen appliances and in other hidden areas• Odorless, non-evaporating, non-staining and non-flammable• The electrostatically charged powder sticks to the roaches body and is carried back into the walls and spr• Powder• Size Lb=1.