This swimming pool insulation film is used to maintain the heat of the water or prevent excessive cooling. And prevent dust, leaves, rain and insects from entering.Product description 1. The swimming pool cover can not only cover your swimming pool, but also use sunlight to heat the water. 2. The swimming pool cover is located on the top of the swimming pool to prevent leaves, dust and dirt from accumulating in the swimming pool. 3. You can spend more time swimming in the pool and reduce cleaning time.Product attribute Material: PE bubble film Color: Blue Type: Swimming pool insulation film S: 2.4 meters/8 feet M: 3.6m/12ft L: 4.5m/15ft One Size: 102.36inches62.99inches/260cm160cmWarm reminder 1. Please remember that due to the lighting effects, the monitor's brightness / contrast settings / etc's, there will be some slight differences in the color of the pictures and the actual items. Measured by hand, deviations of 1-2 cm are possible. 2. Please leave us a message if you have any questions. We will respond and offer you our best service.