SmartLine 21' Round Caribbean Overlap Above-Ground Pool Liner — 48"/52" Height, 20 Gauge

Made in the USA by pool industry professionals with more than 50 years of experience, this SmartLine 21' Round Caribbean Overlap liner delivers reliable performance for above-ground pools. Constructed from 100% virgin vinyl (20 gauge) with built-in UV protection, the liner resists punctures, cracking and fading from prolonged sun exposure. Its hand-folded construction simplifies installation and helps eliminate wrinkles and imperfections. Formulated to tolerate harsh pool chemicals and continuous sunlight, the material performs across a wide temperature range from -50°F to 130°F. A gasket set is included to help prevent leaks and is compatible with all thru-wall skimmers and water return lines.