There is no need to add water or change it daily, providing clean drinking water for your poultry. Ideal for chickens, ducks, quails, turkeys, and other small animals. Simply prepare a bucket to complete the setup. Automatic chicken waterers are a great addition to any coop. These poultry water cups offer a continuous supply of fresh water. Compatible with a 5-gallon bucket or any suitable container. Package includes: 16 pcs poultry automatic drinkers, 1 hole drill bit, 16 pcs mounting nuts, and silicone rings. Suitable for chickens, ducks, geese, turkeys, quails, and rabbits. The nearly 3-inch diameter allows chickens to dip their wattles and ducks to access water comfortably. Features a gravity-sensing automatic valve for efficient water flow. The simple, durable design ensures long-term use without damage. 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 display differences may cause slight color variations. Measurement may vary by +/- 1-3 cm.