18' X 44' Oval Above Ground Swimming Pool Solar Sun Dome Cover Heater Sundome 32 Panels Converts your pool into an indoor/outdoor pool - a great season extender Heats water and air temperature with Solar heat - saving you money and energy costs Protects your pool from the elements - no pool maintenance hassles It takes 2 people about 2 or 3 hours to put up and is very easy to take down and put up again. The dome has 1 door and 3 windows.