The Pennington Critter Cobbler Corn Cob Squirrel Feeder is designed to hold and feed cobs of ear corn to squirrels. It's made of weatherproof and chew-proof metal. It is easy to fill and clean. This feeder has a locking latch that keeps the corn in place and is ready to hang. One can place this on a tree branch or a hook. This feeder holds one ear of corn.