Super Solar Sipper Keep Your Birdbath Ice Free The super solar sipper is a heated portable fresh drinking water station for wild birds is designed with birds in mind to go where they go at any time of year. Tough plastic cover keeps water clean for a day"s drinking while the patented top design keeps enough solar heat to keep water from freezing to 15 degrees F. all day in winter sun, depending on sun and wind conditions. Made in the USA Dimensions 9"Dia. x 3"H Three Part Precision Construction In Stock-Ships Fast