Refillable rat bait station with the highest level of station quality and security. Weather, child, and dog resistant. For use indoors and outdoors. See-through window for easy bait monitoring. Each bait block kills up to 3 rats. Can be used for both rats and mice. Contains 1 refillable rat station and (16) 1Oz. Bromethalin blocks. Active ingredient: Bromethalin 0.01\%.