The Ramik Green Nuggets Kills Mice and Rats uses food processing technology to produce an unusually palatable and highly-attractive bait that retains its freshness, sweetness and effectiveness in a long-lasting nugget form.Nuggets are hot-extruded so they are weather-resistant without the use of wax that can be used indoors and outdoors. Formulated to attract rats and mice, this 4 lb bag of Ramik Green Rodent Nuggets has a high protein, fish-flavored aroma. Mold and moisture-resistant, the bait comes in ready-to-use nuggets for no-mess, easy placement. The nuggets are hot extruded for weather resistance without wax.Rats and mice remain a serious threat to food and feedstuffs, and spread disease.