PoolTux 12'x20' Mesh Rectangle Winter Cover

12 ft x 20 ft Midwest Canvas Mesh Winter Covers for Rectangular In Ground Pools are made with finely woven black polyethylene mesh which is designed to let water pass through while trapping twigs, leaves and other debris. The fine mesh design allows snow to melt and rain to gradually fill your pool, there is never any heavy water to lift off or time consuming cover pumping required. Simply remove the mesh cover, vacuum up the fine silt, and open your pool.