If you want an above-ground swimming pool that looks as amazing and inviting as that true-blue water feels, then set out the Swimline Overlap Pool Liner before your next dip.Ideal for lining most 48 and 52-inch round swimming pool sidewalls, this 20-gauge vinyl pool liner provides a durable satin coating with a sleek modern look to match the cool blue waters. Aside from sitting there and looking pretty, this pool liner is more easily customizable than rigid materials such as fiberglass or concrete. Constructed with 20-gauge vinyl, this pool ground protector lasts the long haul and stands up to punctures, impact, and scratches. The liner stands up to harsh pool chemicals and UV fading, allowing for years of use and quality. Double-welded seams offer s secure seal in any weather, even cold winter months.Please note: The overlap liner requires coping strips, sold separately.Go the whole 9 yards, or in this case, 21 feet, with this Swimline Overlap Pool Liner.