SmartLine 21' Round Above-Ground Pool Liner — Island Tile Unibead, 54" Height, 25 Gauge

This SmartLine 21' Round Island Tile Unibead liner is a 25-gauge, 54" height replacement designed for above-ground pools. Made in the USA by pool industry experts with over 50 years of experience, the liner is constructed from 100% virgin vinyl for long-lasting performance. The material includes built-in UV protection and is formulated to resist punctures, cracking and fading under normal pool use. Each liner is hand-folded to simplify installation and minimize wrinkles or imperfections when fitted. It holds up to pool chemicals and prolonged sun exposure across a wide temperature range (-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.