Save on water bill and solar heating coating Use the power of the sun to heat the water so you can swim by heating the water sooner or keeping the water warm after the swim. bathing. It helps prevent up to 90% of pool water evaporation when the pool is not in use Waterproof Pool Cover: The pool cover is made of waterproof polyethylene of high quality, strong and durable, waterproof and tearproof Dust resistant These pool covers fit snugly over the top of the pool to prevent leaves, dust and dirt from accumulating in the swimming pool Wide use This round swimming pool cover fits perfectly in the swimming pool, preventing leaves, dust, litter, etc. from falling into the pool, keeping the pool clean. At the same time, it reduces water evaporation, saves water and saves money. Easy to install This round swimming pool cover can be easily opened and fixed with the rope provided. Simple to install and easy to start.Note: The data is all measured manually, please allow 1-3cm error, due to the difference in light and display, there will be a certain difference in color, the actual object received shall prevail.