SmartLine 21' Round Overlap Expandable Pool Liner — Swirl Bottom, 60" Height, 20 Gauge

This SmartLine 21' round overlap expandable pool liner features a swirl bottom and is 60" high with 20 gauge vinyl construction. Made in the USA by pool industry professionals with more than 50 years of experience, it combines durable materials and manufacturing quality. Key benefits: - Constructed from 100% virgin vinyl for superior resistance to punctures, cracking and fading - Built-in UV protection to help preserve appearance under prolonged sun exposure - Hand-folded during production to reduce wrinkles and make installation quick and smooth - Engineered to tolerate harsh pool chemicals and extended sunlight over a temperature range of -50°F to 130°F - Includes a gasket set that fits all thru-wall skimmers and water return lines to help prevent leaks A reliable choice for maintaining a long-lasting, easy-to-install pool interior without compromising on durability or fit.