Arctic Armor Bronze 12 ft x 24 ft Rectangular Winter Cover is a great choice for any inground pool, protecting it from the elements during its winter slumber, making Spring opening much easier and hassle-free. Its durable woven polyethylene construction is unaffected by years of exposure to wind, rain, snow and even the sun, thanks to its advanced UV shielding. All seams are heat sealed to prevent any separation, and it has water tube loops every 4 feet as well as corner grommets to seal this cover as tight as a drum. As if that wasn't enough, this cover has a black underside that prevents light exposure, eliminating the threat of algae growth. Best of all, Arctic Armor Bronze 12 ft x 24 ft Rectangular Winter Cover is backed by an 8 year warranty, allowing you to buy with confidence.