JT Eaton 277 Answer Pocket Gopher Bait Block Moisture Resistant Anticoagulant Bait (Pail of 40) Anticoagulant block bait with specially formulated bricks that attract and eliminate mice and rats Active ingredient Diphacinone (0.005-percent) efficiently eliminates burrow invading gophers 40-packs of 4-ounce gopher bait in a tamper evident resealable pail Pail measures 10-1/2-inches length by 10-1/2-inches width by 10-1/4-inches height Comes with a 1-year limited warranty