Contrac Place Paks are single feeding anticoagulant bait in pellet form that has superior acceptance by Mice and Rats. This bait comes in easy to use packets. Simply place bait packet in areas where rats or mice feed and the rodents will gnaw through packet and ingest bait. Primary and secondary poisoning is very minimal with Contrac and an antidote to the poison (vitamin K1) is readily available. Each packet is 25 grams (.88 oz). Target Pests: Rats and Mice Active Ingredient: Bromadiolone 0.005% For Use in and Around: This product may be used inside and outside homes, industrial, commercial, and public buildings. Application: Rats: Apply 3 to 16 ounces of bait (usually at intervals of 15 to 30 feet) per placement. Mice: Apply 1/4 to 1/2 oz. of bait per placement at 8- to 12- foot intervals. Not For Sale In: AK