Just One Bite II, 86 Count, 1.5 OZ Pellets, Contains The Active Ingredient Bromadiolone, Rats & House Mice Will Eat Right Through The Place Pack Wrapper, Norway Rats & House Mice May Consume A Lethal Dose In A Single Nights Feeding With First Dead Rodents Appearing 4 Or 5 Days After Consumption, Place Packs Fit In Burrows, Runways & Hard To Reach Areas Where Rats & House Mice Live & Breed, For Rural/Agricultural Use Only, Ordering Restrictions May Apply, Contact Merchant For Ordering Details.