Goes on Clear - Dries Clear! Quick kill formula kills in hours Keeps killing up to 3 months Odorless, non-staining 2.5 oz Economy Size Guarenteed to Work for Even Severe Infestations Apply to Cracks and Crevices Where it Works: Apply behind and under the following: stoves, refrigerators, dishwashers, sinks, shelving in the corrners of cupboards, cabinets and closets and in other areas where roaches have been observed.