Extended Protection: The Sun Cover is used to retain water heat or prevent excessive cooling. The cover can minimize pool pollution and prevent the entry of dust, leaves, rain, and insects. Environmental Protection: The solar cover reduces the need for pool cleaning and chemicals, which is environmentally friendly. Reduced Heating Costs: The solar cover reduces heating costs by up to 80%, reduces water evaporation by up to 95%, and significantly reduces overnight heat loss. Changeable Shape and Size: The best version of the solar cover is easy to place on the water. You can use ordinary scissors to change the shape and size of the solar membrane. Prevents Ultraviolet Rays: The sun cover can prevent ultraviolet radiation.