【Made of PE material】: This swimming pool insulation film is made of PE material, solar blankets are made from a film of thousands of tiny bubbles, which work together to collect and retain heat both at night and on those chilly days.

【Minimize Water Evaporation】: This solar blanket can helps you reduces pool water evaporation by 95%, so you don't need to add water again every time you swim, avoiding wasting water. When you're not swimming, simply cover your pool with this pool heater and keep your pool covered to reduce the amount of water lost.

【Easy to Trim】: For the uniquely shaped pool, have the bubbles facing down to the water and trace a line on the cover showing where you should cut off the additional material

【Wide Range of Applications】: The hot tub thermal blanket is a practical and useful accessory for swimming pool, hot tub, spa, pond and so on, which can not only trap heat from the sun during the day and reduce water evaporation, but also can keep your swimming pool away from debris and leaves when not in use

【Durable】: The pool covers are waterproof and will not be damaged by immersion in water or sunlight, and will continue to be used the following year as long as they are used sensibly and appropriately.