Just One Bite EX, 88 Count, .75 OZ, Pellet Pack, Contains The Active Ingredient Bromethalin, House Mice, Norway Rats & Roof Rats Usually Consume A Lethal Dose In A Single Feeding, But It May Take 2 Or More Days For Them To Die, Due To Stop Feed Action, Rodents Cease Feeding After Consuming A Toxic Dose, 4 LB Pail, For Rural/Agricultural Use Only, Ordering Restrictions May Apply, Contact Merchant For Ordering Details.