HAWK CHUNX 18LB PAIL/288, Contain 0.005% bromadiolone. This anticoagulant bait formula kills mice just 4-5 days after eating a single feeding. Even controls warfarin-resistant "super rats." Superior formula that rats and mice can’t resist! Highly weatherable and ideal for use indoors and outdoors. Premeasured 1.5 oz Pellet Place Pacs help keep bait fresh. 1 oz Chunx feature patented gnawing edges and a hole in the center for easy placement on securing rods of bait stations. Not for sale in AK, CA