In The Swim 24-ft. Round 20 Gauge 52-Inch Boulder Swirl Overlap Above Ground Pool Liner with Wall Saver Gasket Set - 2 Item Bundle Bundle of 2 Items - 24-ft. Round 20 Gauge 52-Inch Boulder Swirl Overlap Above Ground Pool Liner with Wall Saver Gasket Set 20 gauge virgin vinyl material provides maximum protection from the sun's damaging UV rays Features strong double welded seams for superior resistance against wear and tear Wall Saver Gasket Kit includes a standard skimmer gasket, a widemouth skimmer gasket and a return gasket Designed for use in 24-foot round, flat bottom pools with 48-52 inch sidewalls