Robelle 461218 Value-Line Winter Pool Cover for Oval Above Ground Swimming Pools, 12 x 18-ft. Oval Pool
Brand: Robelle
Color: 02 - Value-Line
Winter pool cover to be used with traditional above ground swimming pools - Solid material will not let water pass through
Pool Size: 12 x 18 Foot Oval - Cover Size: 15 x 21 Feet (includes overlap in total)
7 x 7 scrim - Polyethylene weighs 2.2 oz./yd2 - 3 foot overlap (Includes 3 feet of extra material beyond pool size, included in cover size above)
Cover should be able to float loosely on the water, consider going up a pool size if you have large top rails - Ice equalizer pillow sold separately