This pool solar cover lies directly on the water surface within the pool edges and can increase the temperature of your pool water by up to 1 °C depending on the hours of sunlight. Equipped with PE air cushions, the solar cover can retain heat much longer. This is the most cost-effective way to keep and warm your bathing water. Additionally, it reduces water evaporation and minimizes the use of chemicals. The cover is suitable for smaller pools and is easy to install and handle due to its lightweight. Color: Black and Blue; Material: Thick PE film with air cushions; Size: 732 x 366 cm (L x W).