SmartLine 21' Round Mystri Gold Unibead Above-Ground Pool Liner — 48" Height, 20 Gauge

Manufactured in the USA by pool industry professionals with over 50 years of experience, this SmartLine Mystri Gold Unibead liner is sized for 21' round above-ground pools and has a 48" height with 20 Gauge material. Made from 100% virgin vinyl, the construction includes built-in UV protection and is formulated to resist punctures, cracks and fading. Each liner is hand-folded to allow easier installation and to reduce wrinkles or imperfections for a cleaner fit. It endures harsh pool chemicals and extended sunlight, performing across temperatures from -50°F to 130°F. A gasket set is included to prevent leaks and is compatible with all thru-wall skimmers and water return lines.