4 oz. Birds love it, squirrels don't. Fire mix is an inexpensive, natural and easy-to-use way to keep squirrels and chipmunks away from wild bird feeders. Squirrels can eat large amounts of bird feed and destroy bird feeders. When mixed into wild bird seed, Fire Mix is a safe and effective solution in discouraging these furry little felons. Squirrel Fire Mix helps keep squirrels and chipmunks out of bird feeders, naturally. Treats 40 lbs of wild bird seed. Blend of crushed and powdered chili peppers.