Our solar blankets are made to give you the maximum heating and insulation properties combined with long life. Durable 12-mil blankets are loaded with thermal bubbles that retain heat at night and on cloudy cool days. Our transparent blue color helps ensure that the sun s heating rays are reaching your pool water. Your pool will be up to 15F warmer than an uncovered pool. All our blankets are U.V.-protected so they last under the most intense sunlight. They are backed by a 5-Year Warranty. Sizes 20 x 44 and up are shipped truckline. Please allow approximately 2 weeks for delivery. Features: - Color: Blue - Cover size: 24 x 40 - Pool Size: 24 x 40 - Shipping dimensions: 54 x 24 x 24 - category: Home / 24 x 40 Rect. In-Ground Solar Blanket - Pool Shape: Rectangular - SKU: NS450