Control the roaches you don't see with this roach gel. Use in hard-to-reach places like cracks and crevices, in corners, along walls, and near entry points to kill roaches where they hide. Avoid placing gel directly on top of surfaces treated with a raid ant and roach killer or roach killer spray product. Physical Form: Gel; Application: Bait Station; Pest Type: Cockroaches; Capacity (Volume): 1.5 oz.