Keep your pool warm and clean with this vidaXL Rectangular Pool Cover. Measuring 800x500cm, this black PE cover floats directly on the water's surface, helping to raise the water temperature by up to 1°C with direct sunshine. Its PE air chambers provide excellent heat retention, making it an economical way to heat your swimming pool. This cover also significantly reduces chemical usage and water evaporation. Made from thick PE film, it is lightweight and easy to install and handle. Product Summary: vidaXL pool cover, rectangular, 800x500cm, black, PE material, solar cover, heat retaining, water evaporation reduction, chemical reduction, easy installation.