Robelle 552141-4-ROB Dura-Guard Silver Winter Pool Cover for Oval Above Ground Swimming Pools, 21 x 41-ft. Oval Pool Winter pool cover to be used with traditional above ground swimming pools Solid material will not let water pass through Pool Size: 21 x 41 Foot Oval - Cover Size: 25 x 45 Feet (includes overlap in total) Heavy-duty 8 x 8 scrim Heavy-duty polyethylene weighs 2.36 oz.
eBay