Contrac Bulk Pellets are labeled for rats, mice and meadow voles. This product contains bromadiolone as an active ingredient, so it is not an organic product. This product is safe for pets and children when used properly according to the product label, in tamper-resistant bait stations and in areas inaccessible to non-target animals and children. Contrac is LESS toxic to non-target animals in both primary and secondary poisoning situations than other single-feeding baits. An antidote, Vitamin K1 is readily available.