[auto] 【Pool cover】: Pool cover is made of 3-ply PE materials is durable and puncture-resistant, using the solar pool heater can prevent fallen leaves and pollution from falling into your pool, also prevent the water in the swimming pool evaporation, reducing your unnecessary addition of water to the swimming pool and enjoying a longer time of playing in the water! 【Easy set-up】: Pool cover 6/8/10/12 ft round with adjustable drawstring with lock button gives this cover a nice snug fit to your pool's frame. Simply spread over the pool water and pull drawstring button lock to lock into place. Great for Round Swimming Pools and Rectangular swimming pool. 【Keep water warm】: Not only cover your pool, our solar pool heater cover also keep the water warm under sunshine. So you can swim by warming the water earlier, and keep enjoy swimming in the whole season. 【UV & Weather Proof Cover】:You can use the round pool cover tarp throughout the entire year, whether it's windy, raining, snowing or raining. The premium poly tarp is weatherproof, and UV resistant and it will protect any object from all extreme weather conditions. 【Easy to carry】: The pool solar cover is soft, lightweight and foldable, Pool round safety cover can reach the size of A6 paper, which is easy to carry and store without taking up too much storage space.