FLOAT VALVE SYSTEM: Cup auto fills up with water, as the bowl becomes heavier, the tap closes - No Spillage! IMPORTANT: Rubber seal must be placed outside the bucket to avoid leakage. SIMPLE DIY: Mark any bucket 3-5 inches from the bottom, drill through the mark with our drill bit, and you’re set! Use a object to keep cups sat around chest to beak level of your poultry. DURABLE: Stronger thicker plastic, with a bigger surface area that holds 50% more water. Perfect poultry watering systems for Chicks, Chicken, Duck, Quail, Turkey. VERSATILE DESIGN: The water feeder is BPA-free food grade and will fit most containers, including buckets, barrels, troughs, or PVC pipe. Using bigger containers will keep it full for longer. PAIRS WELL: Purchase our Feeders alongside our waterer for a practical solution to your poultries food and water! If you are not 100% satisfied, please contact our customer service team. Chicken Waterer Cups, Automatic Chicken Water, Anti-Leak System, Holds 50% More Water, Suitable For Chicks, Chicken, Duck, Quail, Turkey