Optimize your pool's temperature with the Ubbink bubble cover for rectangular 350x650 pools. This summer cover, made of 400-micron blue polyethylene with a honeycomb pattern, floats on the water and reduces evaporation. Its suction cup design prevents it from being lifted by the wind. Finished with a border, it comes with a 2-year UV warranty. Specifically designed for Ubbink 350x650 rectangular pools.