A solar cover is a great way to capture the sun’s heat and take full advantage of this natural resource to heat your above-ground or in-ground swimming pool. The benefits of owning a solar cover are plentiful and serve a multitude of purposes. Cover Benefits: Take advantage of the sun's FREE HEAT resulting in a warmer water Made from durable resin material Constructed with thousands of small air bubbles to capture and transmit heat from the sun to your swimming pool Blocks undesired dirt and debris from your pool Helps prevent up to 95% of pool water evaporation, thus reducing heat loss at night or on cloudy days. Cover Details: Size: 12' x 18’ Cover Style: Blue Shape: Oval Mil: 8 NOTE: Please remember that the bubbles on the cover face DOWN into the water! Warranty 3 Years / 1 Year Full of Limited Warranty Coverage against manufacturer's defects **Disclaimer** Please note that solar covers may come with 2" - 11" of overlap to allow trimming to fit your pool - Trimming will NOT void the manufacturer’s warranty.