- This has extended your swimming season! Each of these innovative pool covers is packed with air bubbles that create an insulating layer, protecting your swimming pool from chilly winds and nighttime cooling. These tiny cells trap heat, so water stays warm even on cloudy days and cool nights. - Specifications:Cover material: Vinyl + UVCover type: Solar Color: Blue- Advantage:Reusable for easy storage Easy and economical to use Floats on the surface of the water Reduce water evaporation by 95% Also ideal as a thermal blanket for heated pools Use the natural power of the sun to warm your water Retain heat to keep water at a consistent temperature Helps to save money by reducing pool chemical evaporation when covered Keeps leaves and debris from entering pool which reduces maintenance time Extend your swimming season by warming water earlier, and keeping it warm longer - Package Included: 1 x Pool Cover- Customer Service: 1. We guarantee complete satisfaction & in case of discontent, return it for a full refund. No questions asked. That's our commitment & your guarantee.2. If there is any problem with our products, please don't hesitate to contact us, we will deal with it until you're satisfied.- Warm Note: 1. Please kindly allow 1-2cm discrepancy.2. Pictures are taken by pro photographer, please understand the differences caused by lighting effects and monitor's brightness/contrast settings etc.