SmartLine 21' Round Overlap Liner — 54" Height | 25 Gauge | Boulder Swirl

Manufactured in the USA by top pool industry professionals with over 50 years of experience, this SmartLine 21' Round Overlap liner in Boulder Swirl is made from 100% virgin vinyl and includes built-in UV protection to help prevent fading. The durable vinyl resists punctures and cracks and tolerates harsh pool chemicals as well as prolonged sun exposure in temperatures from -50°F to 130°F. Each liner is hand folded for easier installation, minimizing wrinkles and imperfections. An included gasket set fits all thru-wall skimmers and water return lines to help prevent leaks.