Robelle 551840-4-ROB Winter Oval Above-Ground Pool Cover, 18 x 40-ft, 03 -Silver
Pool Size: 18 x 40 Foot Oval - Cover Size: 22 x 44 Feet (includes overlap in total). 4 foot overlap (Includes 4 feet of extra material beyond pool size, making this cover easier to install, included in cover size above).