SmartLine 21' Round Mosaic Dimond Unibead Above Ground Swimming Pool Liner, 52" Height, 20 Gauge

Constructed from 100% virgin vinyl, this SmartLine 21' Round Mosaic Dimond Unibead liner delivers durable protection against punctures, cracking and fading while offering built-in UV defense. Each liner is hand-folded to make installation straightforward and to minimize wrinkles or imperfections. Made in the USA by pool industry professionals with over 50 years of experience, SmartLine liners are formulated to tolerate harsh pool chemicals and prolonged sun exposure. They remain stable across a wide temperature span from -50°F to 130°F. The package also includes a gasket set designed to fit all thru-wall skimmers and water return lines to help prevent leaks.