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

Made in the USA by top pool industry professionals with over 50 years of experience, the SmartLine 21' Round Cracked Glass Overlap Above Ground Swimming Pool Liner (48"/52" height, 20 Gauge) is manufactured from 100% virgin vinyl. The material includes built-in UV protection and is engineered to resist punctures, cracks and fading while standing up to harsh pool chemicals and long-term sun exposure in temperatures from -50°F to 130°F. Each liner is hand folded to simplify installation and minimize wrinkles or imperfections. A gasket set is included to prevent leaks and fits all thru-wall skimmers and water return lines.