Features . Humanely kills mice non toxic and 100 percent safe for people pets and wildlife. 100 percent natural method to eradicate mice in just one feeding. Zero chance of secondary poisoning to any animals or birds of prey. No risk of contamination to crops food or secondary poisoning to birds of prey. Completely biodegradable zero environmental pollution 25 b classification requiring no special handling storage or disposal. Pack of 2 Specifications . Weight 0 55 lbs