For control of Norway rats, roof rats and house mice in and around homes, industrial and agricultural buildings and similar man-made structures. Suited for use in wet or damp areas, including river banks, gullies, irrigation ditches, railroad tracks, loading areas, under granaries, along fences, garbage dumps and landfills. 60 x 4 oz packs, packed in a 15 lb pail. Contains the active ingredient diphacinone. Sold by the bucket, not by the pack.