SmartLine 21' Round Overlap Above-Ground Pool Liner — Boulder Swirl, 54" Height, 20 Gauge

Made in the USA by experienced pool industry professionals with over 50 years of expertise, this SmartLine 21' round overlap liner showcases the Boulder Swirl pattern for above-ground pools. Built from 100% virgin vinyl at 20 gauge and measuring 54" in height, it includes built-in UV protection to help preserve color. The liner resists punctures, cracks and fading, and is formulated to withstand harsh pool chemicals and prolonged sun exposure in temperatures from -50°F to 130°F. Each SmartLine liner is hand-folded to make installation easier and reduce the chance of wrinkles or imperfections. A gasket set is included to prevent leaks and fits all thru-wall skimmers and water return lines.