The Summerville is Doughboy Pools Entry Level pool. Featuring: • Wide 6” Top Rails • 3” Verticals • Heavy Gauge Steel Bottom Rails • Doughboys Exclusive- One piece pool wall w/ patented slide bar technology • Strongest Above Ground Pool on the market -(no panels or bolts) • Available in 48” & 52” Pool Walls • Great Family Starter Pool • Several Round and Oval sizes to choose from • 25 Year Warranty • Manufactured in the USA