Rabbits and other small animals will not eat the fines (powdery residuIncludes independent wire hooks so the feed can be attached to the inside of the hutch or, for more convenient filling, to the outside with some wire cutting. Gravity design allows feeder to dispense several days worth of feed a little at a time. Features hinged metal lid for covering the feed. Made of chew-proof, rust-resistant, heavy-gauge galvanized steel. Measures 5.5 inches long by 5.125 inches wide by 7.125 inches high.e) that collect in pelleted or grain feeds. If left in the feeder, these can attract harmful molds. This rabbit and small animal feeder has a wire mesh bottom that sifts fines out so they fall into the litter below.