The Bestway 24′ Rectangular Frame Solar Pool Cover provides the most effective protection to keep bugs, leaves and other debris away when your Rectangular Frame Pool is not being used. The cover is also extremely effective at reducing evaporation. By creating a shield over the pool, it saves you extra cash on filling up the water. The bubble design enables the cover to absorb heat from the sun and efficiently transfer it to the water. Alternative size covers are also available to suit your Rectangular Frame Pool.