There is no need to add water or change the water daily, allowing poultry to drink clean water consistently. This DIY solution works well for chickens, ducks, geese, quails, turkeys, and other small animals. Simply prepare a bucket to complete the setup. These automatic chicken waterers are a great addition to any coop. The chicken water cups provide a continuous supply of drinking water for your flock. Compatible with a 5-gallon bucket or any suitable container. Package includes: 16 Pcs Poultry Automatic Drinker, 1 Hole Drill Bit, 16 Pcs Mounting Nuts and Silicone Rings. Ideal for use with chickens, ducks, geese, turkeys, quails, and rabbits. The nearly 3-inch diameter allows chickens to dip their wattles and ducks to comfortably access water. Features a gravity-sensing automatic valve that releases water when needed. The simple and durable design delivers clean drinking water and is built to last. Not intended for use with high-pressure tap water systems. Size: 10.5 x 4 cm Material: Plastic Color: Red Package Contents: 16 x Chicken Waterer 1 x Drill Bit Note: Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.