Solar Sun Rings 5-ft x 5-ft Vinyl Solar Round Pool Cover

5-ft x 5-ft Vinyl Solar Round Pool Cover. Convenient 9-pack of Solar Sun Ring Circular Solar Covers helps seal in pool and spa heat and lower your energy bill. Solar Sun Ring is composed of two sheets of UV-resistant vinyl that convert solar energy into heat, adding free heat to your pool with only the power of the sun. This solar blanket cover retains heat at night and reduces evaporation of water and chemicals. Water anchors add stability and weight for storms and windy conditions. Compatible with automatic pool cleaners and not affected by salt or chlorine systems. Easy to clean and store; when not in the water, do not store in direct sunlight as the product can burn whatever items are below it. Color: Blue. Dimensions (W x H): 60 x 2 inches. Quantity: 9