This baby chick waterer screws onto a Little Giant 1-Quart Plastic Screw-On Feeder/Waterer Jar (Sold Separately) or a standard Mason jar to make a gravity-feed waterer. Made of heavy-gauge galvanized steel for years of service. Rounded, embossed edges help reduce chafing on chicks neck and head. 5.5in diameter x 1.25in high. Each.