Feeder base combines with the Little Giant 1-Quart Screw-On Feeder/Waterer Jar (sold separately) to make a gravity feeder for baby chicks and small birds. Features eight openings, with ribs to minimize feed overflow and spillage. 6.375in diameter x 2.5in high. Made of heavy-duty polypropylene. 1 Quart. Purple Color. Each.