The 18' Round Multibead Overlap Pool Liner Plain Blue delivers a dependable, stylish solution for above-ground pools. Designed with durability in mind, this liner features 20-gauge virgin vinyl construction and reinforced seams for long-lasting performance. Its attractive plain blue color adds a clean, inviting look to round above ground pools, while the multibead design makes it easy to install with standard bead or J-hook installation. Included UV and chemical resistance ensures the liner holds up through seasons of exposure to chemicals and weather.