Little Giant Plastic Nesting Poultry Waterer Jar 1 gal. is specially created to provide hydration to your poultry animals. It is made of sturdy transparent polyethylene plastic to let you monitor the water level easily. It features a nesting-style lug design to let you attach the jar to the base with ease, while the low profile construction helps improve the waterer's stability. This dependable jar will fit the Little Giant Nesting Waterer Base model 780 which is sold separately. This jar has a 1-gallon capacity and it measures 8 inches in diameter and 7.5 inches high.