Features: 1. The swimming pool dust cover is made of high-quality bubble film, it helps keep your pool free of dirt and debris when not in use. 2. Ensure that the water temperature of the swimming pool is stable,and the watertemperature will not be too cold. 3. The protective cover can also prevent the water in the swimming pool from evaporating too much and leading to less and less water. 4. Our pool cover is waterproof and never be damaged by soaking in water or sunshine,You can keep use it at next year. 5. Product size: Diameter 122CM, 152CM, 183CM, 240CM, 300CM, there are five sizes for you to choose. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Material: Bubble film Size: 122cm/152cm/183cm/240cm/300cm includes: 1 X Pool Cover