These chicken feeder nipper are adopt quality plastic material, good toughness, anti-aging and durable. The nipple is rust-proof, smooth and easy to clean. Automatically feed your chicken, saving water without leakage. Can be easily installed, firm and stable. Practical nipple for chicken, ducks, quail and other poultry. Note: The data are all manually measured, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.