18'x24' Oval 20 Gauge Plain Blue Overlap Vinyl Liner. Swimline's overlap liners are made to last. These liners are made of extra heavy duty virgin vinyl, with super strong welded seams to last long winters and hot summers. Swimline uses computerized cutting tables and a computer aided design to make their liners, eliminating the risk of human error. Whether it's design, pattern or fit, these quality liners are unbeatable.Manufactured for pools with a wall height of 52. Made with heavy grade 20 gauge premium virgin vinyl. Crack resistant in cold weather climates. Super strong double welded lap seams. Maximum protection from the sun's U. Constructed with the most advanced manufacturing process in the industry. The item "18'x24' Oval Overlap Plain Blue Above Ground Swimming Pool Liner 20 Gauge" is in sale since Friday, December 28, 2018. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Pool Equipment & Parts\Pool Liners". The seller is "poolfactoryny" and is located in New Jersey. This item can be shipped to United States.