These are great Poultry Feeders and Watreres designed exclusively for the hobbyist. The built-in Feed Saver Ring minimizes spillage and prevents wasted food. Durable one-piece construction of the jar and Feed Saver Ring for quick and easy assembly. Made of impact-resistant plastic that won't rust or corrode. The included plastic lid protects the feed from the elements. -Built-in Feed Saver Ring prevents wasted food -One-piece construction of jar and feed saver for easy assembly -Included plastic lid protects feed from the elements -Molded from durable plastic for years of use -Included carry handle for easy transporting